Alameda Point Alameda, California. April 19, PDF Free Download

FINAL Finding of Suitability to Tansfe fo Fome Naval Ai Station Alameda Alameda Point Alameda, Califonia Apil 19, 2013 Pepaed fo: Base Realignment and Closue Pogam Management Office West San Diego, Califonia Pepaed by: Teta Tech EM, Inc., as subcontacto to Tevet, Inc. 9888 Caoll Cente Road, Suite 228 San Diego, Califonia 92126 Pepaed unde: Naval Facilities Engineeing Command Contact Numbe N62473-10-C-4408 Contact Task Ode 01

TABLE OF CONTENTS ACRONYMS AND ABBREVIATIONS...v 1.0 PURPOSE...1 2.0 PROPERTY DESCRIPTION...1 3.0 REGULATORY COORDINATION...2 3.1 RESOURCE CONSERVATION AND RECOVERY ACT PART A OR B PERMITS AND SUBTITLE C CORRECTIVE ACTION...2 3.2 RESOURCE CONSERVATION AND RECOVERY ACT SUBTITLE I CORRECTIVE ACTION...3 3.3 COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT...4 4.0 SUMMARY OF ENVIRONMENTAL CONDITIONS AND NOTIFICATIONS...4 4.1 CERCLA PROGRAM...4 4.1.1 IR Site 7 (OU-1)...5 4.1.2 IR Site 8 (OU-1)...6 4.1.3 IR Site 9 (OU-2A)...6 4.1.4 IR Site 13 (OU-2A)...7 4.1.5 IR Site 14 (OU-1)...7 4.1.6 IR Site 15 (OU-1)...8 4.1.7 IR Site 19 (OU-2A)...8 4.1.8 IR Site 20 (OU-4C)...8 4.1.9 IR Site 22 (OU-2A)...9 4.1.10 IR Site 23 (OU-2A)...9 4.1.11 IR Site 26 (OU-6)...10 4.1.12 IR Site 27 (OU-6)...10 4.1.13 IR Site 28 (OU-6)...11 4.1.14 IR Site 29 (OU-4C)...11 4.1.15 IR Site 35...11 4.2 PETROLEUM PRODUCTS AND DERIVATIVES...12 4.2.1 Open Petoleum Pogam Sites...12 4.2.2 Open Abovegound Stoage Tanks, Oil and Wate Sepaatos, Washdown Aeas, Fuel Line Sites, and Undegound Stoage Tanks...15 4.2.3 Closed Petoleum Pogam Coective Action Aea Sites...15 4.2.4 Closed Undegound Stoage Tanks...16 4.2.5 Closed Abovegound Stoage Tanks, Oil and Wate Sepaatos, and Fuel Lines...16 4.3 ASBESTOS-CONTAINING MATERIAL...17 4.4 LEAD-BASED PAINT...17 Final FOST fo Fome NAS Alameda i TRVT-4408-0001-0057

TABLE OF CONTENTS (CONTINUED) 4.5 POLYCHLORINATED BIPHENYLS...18 4.6 MUNITIONS AND EXPLOSIVES OF CONCERN...18 4.7 RADIOLOGICAL PROGRAM...19 4.7.1 Naval Nuclea Populsion Pogam...19 4.7.2 Geneal Radioactive Mateial...19 4.8 PESTICIDES...22 4.9 OTHER AREAS INVESTIGATED/ISSUES...22 5.0 SUMMARY OF RESTRICTIONS...22 5.1 CERCLA...22 5.1.1 CERCLA Sites with Remedial Action Complete...22 5.1.2 CERCLA Sites that have an OPS Detemination...23 5.1.3 Mash Cust...23 5.2 PETROLEUM PRODUCTS AND DERIVATIVES...23 5.3 ASBESTOS-CONTAINING MATERIAL...24 5.4 LEAD-BASED PAINT...25 6.0 ADJACENT PROPERTIES...25 6.1 ENVIROSTOR AND GEOTRACKER LISTED SITES...25 6.2 FORMER NAS ALAMEDA ADJACENT PROPERTY...26 6.2.1 OU-1 (IR Sites 6 and 16)...26 6.2.2 OU-2B (IR Sites 3, 4, 11 and 21) and Petoleum Sites CAA-11B, CAA- 4A, CAA-3A, CAA-3C, and CAA-4B...26 6.2.3 OU-2C (IR Sites 5, 10, 12) Petoleum Sites CAA-5A and CAA-5B...26 6.2.4 OU-3 (IR Site 1)...27 6.2.5 OU-4A (IR Site 2)...28 6.2.6 OU-4B (IR Sites 17 and 24)...29 6.2.7 IR Site 32 (Nothwest Odnance Stoage Aea) and Associated Issues...29 6.2.8 IR Site 33...29 6.2.9 IR Site 34 (Fome Nothwest Shop Aea) and Associated Issues...29 6.2.10 EDC-12 AOC 1...30 6.2.11 EDC-12 AOC 6...30 6.2.12 Radiologically Impacted Stom Dain Coidos...30 6.2.13 Radiological Sites...30 6.2.14 Petoleum Sites...31 7.0 ACCESS CLAUSE...32 8.0 COVENANTS...32 9.0 FINDING OF SUITABILITY TO TRANSFER STATEMENT...32 Final FOST fo Fome NAS Alameda ii TRVT-4408-0001-0057

TABLE OF CONTENTS (CONTINUED) 10.0 REFERENCES...33 TABLE REFERENCES...39 Final FOST fo Fome NAS Alameda iii TRVT-4408-0001-0057

FIGURES 1 Site Location Map 2 FOST Pacel 3 Opeable Units and Installation Restoation Sites 4 Total Petoleum Hydocabons Coective Action Aeas 5 Undegound Fuel Line Status 6 Abovegound Stoage Tank Status 7 Undegound Stoage Tank Status 8 Solid Waste Management Unit Status 9 Radiological Sites 10 Well Locations 11 Footpint of Aeas within CERCLA Sites that Requie Restictions TABLES 1 IR Site Status 2 Petoleum Coective Action Aea Site Status 3 Stoage Tank Status 4 RCRA Unit Status 5 Radiologically Impacted Sites 6 Summay of Lead-Based Paint in Residential Buildings Cica 1995 7 Undegound Fuel Line Status ATTACHMENTS 1 Responses to Regulatoy Agency Comments 2 Unesolved Comments (None) 3 Hazadous Substances Notification Table Final FOST fo Fome NAS Alameda iv TRVT-4408-0001-0057

ACRONYMS AND ABBREVIATIONS Section ACM AOC ARRA AST b(a)p BBL BCP BCT BRAC BRRM CAA CANS CCR CDPH CERCLA CFR COC CRUP DCA DCE DERP DoD DTSC DVE EBS EISB ERM-West FFA FFSRA FL FOST FS FSS GAP G-RAM HHRA HRA HSC Asbestos-containing mateial Aea of concen Alameda Reuse and Redevelopment Authoity Abovegound stoage tank benzo(a)pyene Blasland, Bouck & Lee BRAC Cleanup Plan BRAC Cleanup Team Base Realignment and Closue Base Redevelopment and Realignment Manual Coective action aea Shipping stoage containe aea Califonia Code of Regulations Califonia Depatment of Public Health Compehensive Envionmental Response, Compensation, and Liability Act Code of Fedeal Regulations Chemical of concen Covenants(s) to Restict Use of Popety 1,2-Dichlooethane 1,2-Dichlooethene Defense Envionmental Restoation Pogam Depatment of Defense Depatment of Toxic Substances Contol Dual-vacuum extaction Envionmental baseline suvey Enhanced in situ bioemediation ERM-West, Inc. Fedeal Facility Ageement Fedeal Facility Site Remediation Ageement Fuel Line Finding of Suitability to Tansfe Feasibility study Final Status Suvey Geneato accumulation point Geneal adioactive mateial Human health isk assessment Histoical adiological assessment Califonia Health and Safety Code Final FOST fo Fome NAS Alameda v TRVT-4408-0001-0057

ACRONYMS AND ABBREVIATIONS (CONTINUED) IAS IC ISB IR I-RACR ISCO IWTP LBP LIFOC LPL LRA MCL MEC mg/kg MPPEH MNA MOA MRP NA NACIP NADEP NAS Navy NEESA NFA NPL NRMP NTCRA OPS OU OWS PAH PBC PCB PCE PHNSY PMO PMP ppm Initial assessment study Institutional Contol In situ bioemediation Installation Restoation Inteim emedial action completion epot In situ chemical oxidation Industial waste teatment plant Lead-based paint Lease in futheance of conveyance Lage pacel lease Local Redevelopment Authoity Maximum contaminant level Munitions and explosives of concen Milligams pe kilogam Munitions Potentially Pesenting an Explosive Hazad Monitoed natual attenuation Memoandum of Ageement Munitions Response Pogam No Action Navy Assessment and Contol of Installation Pollutants Naval aviation depot Naval ai station Depatment of the Navy Naval Enegy and Envionmental Suppot Activity No Futhe Action National Pioities List Navy Radioactive Mateials Pemit Non-Time Citical Removal Action Opeating popely and successfully Opeable Unit Oil-wate sepaato Polycyclic aomatic hydocabons Public benefit conveyance Polychloinated biphenyl Tetachlooethylene Peal Habo Naval Shipyad Pogam Management Office Petoleum Management Plan pats pe million Final FOST fo Fome NAS Alameda vi TRVT-4408-0001-0057

ACRONYMS AND ABBREVIATIONS (CONTINUED) RACR RAP RAO RASO RAWP RC RCA RCRA RD RFA RG RI ROD Shaw SI SVOC SWMU TCE TCRA Teta Tech TPH TRW TSCA TtECI U.S. U.S. EPA USC UST VOC Remedial action completion epot Remedial action plan Remedial action objective Navy Radiological Affais Suppot Office Remedial action wok plan Response Complete Radiological Contolled Aea Resouce Consevation and Recovey Act Remedial design RCRA facility assessment Remedial goal Remedial investigation Recod of decision Shaw Envionmental and Infastuctue, Inc. Site investigation Semivolatile oganic compound Solid waste management unit Tichlooethene Time-citical emoval action Teta Tech EM, Inc. Total petoleum hydocabons Tay efiney waste Toxic Substances Contol Act TetaTech EC, Inc. United States United States Envionmental Potection Agency United States Code Undegound stoage tank Volatile oganic compound Wate Boad Regional Wate Quality Contol Boad WD Wash down aea Final FOST fo Fome NAS Alameda vii TRVT-4408-0001-0057

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1.0 PURPOSE The pupose of this Finding of Suitability to Tansfe (FOST) is to summaize how the equiements and notifications fo hazadous substances, petoleum poducts, and othe egulated mateials have been satisfied fo the fome Naval Ai Station (NAS) Alameda, now efeed to as Alameda Point, by the United States (U.S.) Depatment of the Navy (Navy) (see Figue 1). Fo simplicity, the lands coveed by this FOST ae efeed to heeinafte as the FOST Pacel. The FOST Pacel is composed of five non-contiguous upland and submeged land aeas. Figue 2 shows the FOST Pacel. The lands identified fo this FOST ae descibed in Section 2.0. This FOST povides documentation that the eal popety made available though the closue of NAS Alameda is envionmentally suitable fo tansfe by deed. Note that cetain envionmental pogam activities ae ongoing, including the Alameda Point Compehensive Envionmental Response, Compensation and Liability Act (CERCLA) Pogam, as discussed in Section 4.1, and Alameda Point Petoleum Pogam activities, as discussed in Section 4.2. As discussed in Section 5.0, these activities will continue afte tansfe until egulatoy closue is eceived. This FOST was pepaed in accodance with the Depatment of Defense (DoD) Base Redevelopment and Realignment Manual (BRRM) (DoD 2006) and the Navy Base Realignment and Closue (BRAC) Pogam Management Office (PMO) Policy fo Pocessing Findings of Suitability to Tansfe o Lease (Navy 2008c). 2.0 PROPERTY DESCRIPTION Fome NAS Alameda is located in the San Fancisco Bay Aea (see Figue 1). Fome NAS Alameda is located on the westen end of Alameda Island, which lies on the easten side of the San Fancisco Bay, adjacent to the City of Oakland. The upland potion of fome NAS Alameda is oughly ectangula in shape, about 2 miles long east-west and 1 mile wide nothsouth, and occupies 1,734 aces of upland land. The upland potion of fome NAS Alameda included in this FOST occupies about 511 aces and the submeged potion occupies about 870 aces. The FOST Pacel is geneally bounded on the noth by the Oakland Inne Habo, east by Main Steet, and south and west by San Fancisco Bay (see Figue 2). The FOST Pacel contains 15 out of the 34 Fome NAS Alameda Installation Restoation (IR) sites. The 15 IR sites ae pesented in Section 3 and descibed in Section 4.1. On Mach 24, 1997, the Navy enteed into a Lage Pacel Lease (LPL) with the Alameda Reuse and Redevelopment Authoity (ARRA) to allow the ARRA to lease vaious popety and buildings pio to tansfe (Navy and ARRA 1997). All of the FOST Pacel was leased to the ARRA unde this LPL. In June 2000, the Navy enteed into Lease in Futheance of Conveyance (LIFOC) with the ARRA to eplace the LPL and to allow the ARRA to continue to lease popety and buildings pio to tansfe (Navy and ARRA 2000a). Also in June 2000, the Navy and the ARRA enteed into a Memoandum of Ageement (MOA) fo the conveyance by the Navy of potions of fome NAS Alameda to the ARRA (Navy and ARRA 2000b). The ARRA Final FOST fo Fome NAS Alameda 1 TRVT-4408-0001-0057

was dissolved in 2012 and the City of Alameda, as the ecognized Local Redevelopment Authoity (LRA), assumed all of ARRA s ights, duties, assets, and obligations unde the LIFOC and the MOA. Theefoe, the LIFOC has tansfeed to the City of Alameda. This LIFOC included all of the FOST Pacel descibed heein. Sanitay sewe, stom dain, fuel, and electic powe lines ae pesent within the FOST Pacel. The entie electical and natual gas distibution systems fo fome NAS Alameda wee tansfeed to the City of Alameda in July 2001 and ae now opeated by Alameda Municipal Powe. Fee title to the undelying popety emained with the Navy (Teta Tech 2003a). Unde the LIFOC, the City of Alameda (fomely the ARRA) is esponsible fo the opeation, maintenance, epai, eplacement, and administation of buildings and utility systems within fome NAS Alameda (Teta Tech 2003a). The FOST Pacel has been found suitable fo tansfe, based on pevious investigations, emedial action completion epots, o because emedial action teatment is in place and opeating popely and successfully (OPS), as detemined by the United States Envionmental Potection Agency (U.S. EPA) though the Defense Envionmental Restoation Pogam (DERP). 3.0 REGULATORY COORDINATION In Septembe 1992, the Navy, the State of Califonia Depatment of Health Sevices (now efeed to as Califonia EPA/Depatment of Toxic Substances Contol [DTSC]), and the Califonia Regional Wate Quality Contol Boad (Wate Boad), enteed into a Fedeal Facility Site Remediation Ageement (FFSRA) (DTSC 1992a). The U.S. EPA was not a signatoy to this ageement. The FFSRA defined the Navy s obligations fo coective action and esponse action unde the Resouce Consevation and Recovey Act (RCRA) and CERCLA fo sites that had been identified in the Navy s IR Pogam at fome NAS Alameda. Subsequent to the execution of the FFSRA, and following designation of fome NAS Alameda as a National Pioities List (NPL) site in 1999, the Navy and U.S. EPA executed a Fedeal Facility Ageement (FFA) in July 2001. Subsequently, DTSC signed the FFA in Octobe 2005 and the Wate Boad signed it in Novembe 2005. The FFA supeseded the FFSRA and defines the Navy s coective action and esponse obligations unde RCRA and CERCLA fo the CERCLA sites that have been identified at fome NAS Alameda. U.S. EPA, DTSC, and the Wate Boad wee notified of the initiation of this FOST and wee issued copies fo eview. Regulatoy agency comments to this FOST ae povided in Attachment 1, Attachment 2 is unesolved comments (of which thee ae none), and a Hazadous Substances Notification Table is povided in Attachment 3. 3.1 RESOURCE CONSERVATION AND RECOVERY ACT PART A OR B PERMITS AND SUBTITLE C CORRECTIVE ACTION This FOST eviews sites that wee evaluated and addessed unde the Navy s CERCLA and DERP authoity, as well as sites addessed unde the coective action equiements of RCRA Subtitle C (fo solid waste management units [SWMUs]), RCRA Subtitle I (fo undegound stoage tanks [USTs]), and associated state laws and egulations administeed by the U.S. EPA, the State of Califonia, and Alameda County. These coective action authoities ae simila to CERCLA in that they equie esponse/coective action (cleanup) whee necessay to ensue adequate potection of human health and the envionment - see Section ( ) 121(d) of CERCLA, Final FOST fo Fome NAS Alameda 2 TRVT-4408-0001-0057

Califonia Health and Safety Code (HSC) 25296.10(b), Title 23 Califonia Code of Regulations (CCR) 2720 (definition of coective action ) and 2725(c), and Title 22 CCR 66264.101(a). A decision that No Action (NA) is equied in ode to potect human health and the envionment, made by the Navy o an envionmental egulato unde the laws and egulations listed above, also suppots a Navy detemination unde 120(h) of CERCLA that all emedial action necessay to potect human health and the envionment with espect to any such substance emaining on the popety has been taken. The ationale fo integating CERCLA and RCRA coective action equiements is staightfowad. The cleanup standad fo CERCLA is set foth in 121 of CERCLA (Cleanup Standads), which states in the elevant pat of Subsection 121(b)(1): The Pesident shall select a emedial action that is potective of human health and the envionment (42 United States Code [USC] 9621(b)(1)). The cleanup standad fo RCRA Subtitle C coective action in the State of Califonia, as set foth in Title 22 CCR 66264.101(a), povides: The owne o opeato of a facility seeking a pemit fo the tansfe, teatment, stoage, o disposal of hazadous waste shall institute coective action as necessay to potect human health and the envionment fo all eleases of hazadous waste o constituents fom any solid o hazadous waste management unit at the facility, egadless of the time at which waste was placed in such unit. Also see HSC 25187 and 25200.10(b). The DERP, codified as 10 USC 2701 2709, gave the DoD Envionmental Restoation Pogam a statutoy basis. The Navy implements the DERP subject to, and in a manne consistent with, CERCLA and its egulations. Fome NAS Alameda was peviously subject to a RCRA pemit (CA2170023236). This pemit expied in July 2003. As pat of the RCRA pemit closeout activities, a RCRA Facility Assessment (RFA) was conducted in 1992 and identified numeous SWMUs (which wee efeed to as non-pemitted SWMUs fo a peiod of time) at fome NAS Alameda, and which had not been peviously identified in the RCRA pemit. All RCRA-pemitted units have been closed, and all non-pemitted units wee delegated eithe to the CERCLA Pogam o the Petoleum Pogam as detailed in Table 4. 3.2 RESOURCE CONSERVATION AND RECOVERY ACT SUBTITLE I CORRECTIVE ACTION The Wate Boad administes the undegound stoage tank (UST) coective action pogam at fome NAS Alameda pusuant to RCRA Subtitle I and 25280-25299.8 of the Califonia HSC. The authoity of the Wate Boad to equie coective action at UST sites is set foth at Title 23 CCR Division 3, Chapte 16. Many of the Petoleum Pogam sites wee oiginally evaluated as pat of the emedial investigation (RI) completed unde CERCLA (Title 42 USC 9601[14]) at fome NAS Alameda between 1992 and 1995. Howeve, petoleum and petoleum-elated constituents including tay efiney waste (TRW), ae not included in the definition of hazadous substances unde CERCLA (Title 42 USC 9601[14]). By 1997, sufficient data had been obtained and Final FOST fo Fome NAS Alameda 3 TRVT-4408-0001-0057

analyzed fo the BRAC Cleanup Team (BCT) to detemine that a numbe of IR sites only contained petoleum o petoleum-elated constituents and, theefoe, a subset of these sites wee moved into the Petoleum Pogam (Navy 1997). By lette dated June 20, 1997, DTSC concued with this decision (DTSC 1997). Petoleum-only sites and thei constituents ae being emediated unde the 1994 Califonia UST egulation (Title 23 CCR 2720), which addesses elease to soil and goundwate fom fome USTs, abovegound stoage tanks (ASTs), and pipelines. 3.3 COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT In 1993, the Defense Base Closue and Realignment Commission ecommended the closue of fome NAS Alameda, which was opeationally closed in 1997. In 1999, fome NAS Alameda was added to the NPL. Unde Executive Ode 12580, the Navy is the lead agency esponsible fo cleanup effots at Navy popeties. CERCLA esponse actions ae initiated at envionmental sites whee CERCLA hazadous substances have been o may have been eleased. Thee ae fifteen aeas known as IR Pogam sites in this FOST. As discussed in Section 4.1, CERCLA investigations wee conducted unde the IR pogam fo these sites. 4.0 SUMMARY OF ENVIRONMENTAL CONDITIONS AND NOTIFICATIONS This section summaizes the envionmental conditions and notifications, as they elate to CERCLA, petoleum poducts and deivatives, asbestos-containing mateials (ACM), lead-based paint (LBP), and othe egulated mateials. The deed(s) fo the CERCLA-impacted FOST Pacel will contain, to the extent such infomation is available on the basis of a complete seach of agency files, a notification of hazadous substances stoed fo one (1) yea o moe, o known to be eleased, o disposed of within the FOST Pacel, in the fom and manne pescibed by CERCLA (42 USC Section 9620(h)) and Title 40 of the Code of Fedeal Regulations (CFR) Pat 373. This notice is povided in Attachment 3, the Hazadous Substances Notification Table. In addition to the hazadous substance notice, the BRRM outlines othe envionmental topics that must be addessed in a FOST. These topics ae futhe discussed below, including the envionmental conditions and actions taken on the FOST Pacel, identification of notification equiements elated to CERCLA, munitions esponse, petoleum coective action, and infomation egading ACM, LBP, and polychloinated biphenyls (PCBs). 4.1 CERCLA PROGRAM This section addesses the CERCLA sites within the FOST Pacel. The Navy initiated envionmental investigations at fome NAS Alameda unde the Navy Assessment and Contol of Installation Pollutants (NACIP) Pogam. Unde the NACIP Pogam, the Navy pefomed an initial assessment study (IAS) in 1982 to assess fome NAS Alameda fo aeas posing a potential theat to human health o the envionment due to contamination fom histoical uses involving hazadous mateials (Ecology and Envionment 1983). Final FOST fo Fome NAS Alameda 4 TRVT-4408-0001-0057

On June 6, 1988, the Navy eceived a Remedial Action Ode fom the Depatment of Health Sevices (now DTSC) that identified fome NAS Alameda sites as needing a emedial investigation and feasibility study (RI/FS), in accodance with the equiements of CERCLA. In esponse, the Navy conveted its NACIP Pogam into the IR Pogam to be moe consistent with CERCLA, and investigations wee conducted in a phased appoach. A compehensive base closue stategy was developed by the BCT as pat of the 1997 BRAC Cleanup Plan (BCP) at fome NAS Alameda. This stategy consolidated the initial 23 IR sites into fou Opeable Units (OUs) (OUs-2 and -4 wee late subdivided) as a management tool to acceleate site investigation (SI). IR Sites 24 though 29 wee added late and consolidated into OUs-5 and -6. IR Site 18 (Stom Sewes) was econfigued and the site was eliminated, and associated contamination in the stom sewes was investigated and emediated within the footpint of individual sites. Thee IR sites wee added to the CERCLA pogam in Decembe 2002: IR Sites 30, 31, and 32. An additional thee new sites, IR Sites 33, 34, and 35, wee added afte 2002. The new sites wee not assigned to an OU. Fifteen out of 34 fome NAS Alameda IR sites ae located within the FOST Pacel (Figue 3) and include IR Sites 7, 8, 9, 13 (patial), 14, 15 (patial), 19, 20, 22, 23, 26, 27, 28, 29 and 35. Not all envionmental sites within the FOST Pacel have eceived egulatoy agency concuence fo eithe No Action (NA) o Response Complete (RC). The status of the IR Sites is pesented in Table 1. Some CERCLA sites emain open; howeve, the emedy has been implemented and the U.S. EPA has detemined that the emedy is OPS. An NA o RC detemination is based on the findings of evaluations o cleanup actions that the pacel is suitable fo tansfe as long as the applicable notifications and estictions, outlined in Sections 4.0 and 5.0, have been implemented. No Futhe Action (NFA) designations include sites that have eceived NFA designations eithe because no esponse action was equied to povide adequate potection of human health and the envionment, o because the equied emedial action has been completed. Besides the IR sites, anothe contaminated unit investigated unde the CERCLA Pogam at fome NAS Alameda is the Mash Cust. The Mash Cust is a laye of sediment contaminated with semivolatile oganic compounds (SVOCs) that was deposited acoss the tidelands and the fome subtidal aeas fom the late 1800s until the 1920s. The contamination is believed to have esulted fom diect dischages of petoleum poducts and wastes fom fome industial pocesses into San Fancisco Bay. The Final Mash Cust Remedial Action Plan (RAP)/Recod of Decision (ROD) was signed in Febuay 2001 (Navy 2001). The Mash Cust RAP/ROD affects the FOST Pacel (Figue 11). A summay of the emainde of the CERCLA investigations conducted at IR sites within the FOST Pacel is discussed below. 4.1.1 IR Site 7 (OU-1) IR Site 7, the Navy Exchange Sevice Station, occupies 3.9 aces and is located on the easten bounday of fome NAS Alameda, adjacent to Main Steet (Figue 3). IR Site 7 consists of buildings and stuctues that cove about 30 pecent of the site, while the emainde of the site is Final FOST fo Fome NAS Alameda 5 TRVT-4408-0001-0057

open space coveed with asphalt, concete, and some unpaved aeas. IR Site 7 was gouped with IR Sites 6, 8, 14, 15, and 16 unde OU-1. Histoical uses at IR Site 7 include an automotive epai and sevicing facility and an incineato (fome Building 68-3) suounded by gassy open space (Navy 2007b). The RI epot identified COCs in the soil at IR Site 7 (Teta Tech 2004) that equied emedial action. No COCs wee identified fo goundwate at IR Site 7 (Teta Tech 2004); theefoe, NA was identified fo goundwate. The Final FS was completed in 2005. Pe-design data gaps sampling was conducted in 2007 and 2008 to optimize the emedial design. The ROD selected the emedial action of soil excavation and off-site disposal, which was conducted fom Novembe 2009 to Januay 2011 (Navy 2007b). The Remedial Action Completion Repot (RACR) documented that the implemented emedy met emedial goals and emedial action objectives (RGs/RAOs) fo unesticted use (URS 2013). 4.1.2 IR Site 8 (OU-1) IR Site 8, Building 114 (Pesticide Stoage Aea), is 4.3 aces in size, located in the cental potion of fome NAS Alameda, and also includes Building 191, Building 391, and sewage pumping station 10 (Figue 3). Eighty pecent of IR Site 8 is coveed by asphalt, concete, buildings, oads, and paking lots. Building 191 was used as stoage fo the Public Woks Depatment, and Building 391 was used to stoe paints, degeases, petoleum poducts, and hazadous waste. IR Site 8 was gouped with IR Sites 6, 7, 14, 15, and 16 unde OU-1. The OU-1 RI epot identified COCs in soil at IR Site 8 that equied emedial action (Teta Tech 2004). No COCs wee identified fo goundwate. The FS epot was completed in 2005. Pe-design data gaps sampling was conducted in 2007 and 2008 to optimize the emedial design (URS 2012b). The OU-1 ROD (Navy 2007b) selected the emedial action of soil excavation and off-site disposal which was conducted fom Novembe 2009 to July 2010. The RACR documented that the implemented emedy met RGs/RAOs fo unesticted use (URS 2012b). EPA appoved the Final RACR in July 2012. 4.1.3 IR Site 9 (OU-2A) IR Site 9, Building 410 (Paint Stipping Facility), is 2.9 aces in size and is located in the southeasten potion of the fome NAS Alameda (Figue 3). Two buildings (Buildings 410 and 351), coveing appoximately 37,000 squae feet, ae pesent at IR Site 9. Industial Wastewate Teatment Plant (IWTP) 410, also known as Stuctue 588, was located east of Building 351 and teated paint-stipping wastes. IR Site 9 is gouped with Sites 13, 19, 22, and 23 unde OU- 2A. The FS Repot concluded that thee wee no COCs fo soil. Goundwate COCs identified in the FS Repot included volatile oganic compounds (VOCs) that exceeded dinking wate standads (i.e., maximum contaminant levels [MCLs]) (OTIE 2011). A Poposed Plan was submitted in August 2011 (Navy 2011a). By lette dated August 6, 2012, the Navy povided infomation to Final FOST fo Fome NAS Alameda 6 TRVT-4408-0001-0057

suppot a Goundwate Beneficial Use Exception fo Southeast Alameda Point based on seveal lines of evidence, including poximity to San Fancisco Bay and potential fo salt wate intusion, high salinity, cuent county estictions on well installation in shallow goundwate, and potential fo suface unoff to contaminate goundwate (Navy 2012a). The egulatoy agencies concued with the Beneficial Use Exception (Wate Boad 2012a; U.S. EPA 2012c). As a esult of the Beneficial Use Exception, dinking wate standads no longe apply as cleanup goals. The OU-2A ROD documents NA fo soil and Institutional Contols (ICs) peventing use of goundwate at Site 9 (Navy 2012b). 4.1.4 IR Site 13 (OU-2A) IR Site 13, the Fome Oil Refiney, is 17.5 aces in size and is located in the southeasten potion of the fome NAS Alameda (Figue 3). IR Site 13 includes Building 397, a 17,400-squae-foot aicaft ovehaul plant and engine test facility constucted in 1958 and opeated by the Naval Ai Rewok Facility Alameda. A self-stoage facility occupies the southeasten cone of the site. The est of the site is paved o open space. IR Site 13 is gouped with IR Sites 9, 19, 22, and 23 unde OU-2A. The evised FS concluded thee wee no soil COCs, and benzene and ethylbenzene wee goundwate COCs at Site 13 due to localized vapo intusion isk. A Poposed Plan was submitted in August 2011 (Navy 2011a). The ROD selected NFA fo soil and in situ bioemediation (ISB), with monitoed natual attenuation (MNA) and ICs fo the localized benzene plume in the southeast cone of Site 13 (Figue 2) and an IC esticting use of goundwate fo all of Site 13 (Navy 2012b). The goundwate aea of Site 13 equiing emedial action is excluded fom the FOST Pacel. The Wate Boad etains its authoity to egulate the TRW and/o co-located petoleum in the futue at Site 13. 4.1.5 IR Site 14 (OU-1) IR Site 14, Fome Fie Taining Aea, is 14.2 aces in size and is located in the nothwesten potion of fome NAS Alameda nea the Oakland Inne Habo (Figue 3). IR Site 14 is patially paved and elatively flat, and includes five buildings (26, 120, 121, 122, and 388) and open space. Histoical use at IR Site 14 included aifield-elated mateials and equipment stoage, and fiefighte taining in the nothwesten potion of the site (Navy 2007a). The buildings at IR Site 14 ae cuently unoccupied. Site 14 is gouped with IR Sites 6, 7, 8, 15, and 16 within OU-1. CERCLA investigations wee conducted in 1991, with follow-on investigations in 1994 and 1998, data gap sampling in 1998, supplemental RI data gap sampling in 2001, and emoval of soil containing dioxins in 2001 (Teta Tech 2003b). The ROD documented NFA fo soil and selected ISCO, monitoing, and tempoay ICs fo goundwate (Navy 2007a). Data gaps wee identified and futhe investigations wee conducted in Mach and Apil 2007, including a pilot test on a potion of the goundwate plume, to optimize the emedial design. The goundwate emedial action began in Septembe 2008. A Technology Tansition Technical Memoandum (Battelle 2010d) was submitted to the agencies in Decembe 2010 and pesented the findings of the post-isco monitoing, as well as suppot to tansition to MNA. The MNA wok plan was completed as an addendum to the emedial action Final FOST fo Fome NAS Alameda 7 TRVT-4408-0001-0057

wok plan (RAWP) (Battelle 2011a). Goundwate monitoing will continue until RAOs ae completed. Based on pogess of the emedial action, U.S. EPA detemined that the emedy is OPS and, theefoe, Site 14 is suitable fo tansfe (U.S. EPA 2012a). 4.1.6 IR Site 15 (OU-1) IR Site 15, the Fome Tansfome Stoage Aea, consists of 5.8 unpaved aces. IR Site 15 is located in the nothwesten potion of fome NAS Alameda, adjacent to the Oakland Inne Habo (Figue 3). IR Site 15 includes Building 27 and fome Buildings 283, 301, and 389, constucted by the Navy in the 1950s. IR Site 15 was used pimaily to stoe petoleum poducts, biocides, electical equipment, including oil-filled tansfomes and machiney. IR Site 15 and is gouped with IR Sites 6, 7, 8, 14, and 16 within OU-1. An RI Repot fo IR Sites 14 and 15 was pepaed in 2003 (Teta Tech 2003b). In 2005, soil samples wee collected at IR Site 15 fo futhe polycyclic aomatic hydocabon (PAH) analysis because detection limits fo histoical PAH data wee elevated (Navy 2006a). The aveage PAH concentation in soil, expessed as benzo(a)pyene (B(a)P) equivalents, was below the sceening level of 0.62 milligams pe kilogam (mg/kg) (Navy 2006a). In Octobe 2005, the Navy distibuted the Poposed Plan fo IR Site 15, which included a ecommendation fo NFA fo soil and NA fo goundwate (Navy 2005a). The Navy pepaed a ROD documenting the decision of NFA fo soil and NA fo goundwate fo IR Site 15. The final ROD was signed with egulatoy concuence in June 2006 (Navy 2006a). IR Site 15 is closed. 4.1.7 IR Site 19 (OU-2A) IR Site 19, Yad D-13 (Hazadous Waste Stoage), is 2.7 aces in size and is located in the southeasten aea of the fome NAS Alameda (Figue 3). IR Site 19 includes Building 616 and Yad D-13, the only two stuctues on the site. IR Site 19 is gouped with IR Sites 9, 13, and 23 unde OU-2A. The FS Repot concluded that thee wee no COCs fo soil. Goundwate COCs identified in the FS Repot included VOCs that exceeded dinking wate standads (i.e., MCLs) (OTIE 2011). A Poposed Plan was submitted in August 2011 (Navy 2011a). By lette dated August 6, 2012, the Navy povided infomation to suppot a Goundwate Beneficial Use Exception fo Southeast Alameda Point based on seveal lines of evidence, including poximity to San Fancisco Bay and potential fo salt wate intusion, high salinity, cuent county estictions on well installation in shallow goundwate, and potential fo suface unoff to contaminate goundwate (Navy 2012a). The egulatoy agencies concued with the Beneficial Use Exception (Wate Boad 2012a; U.S. EPA 2012c). As a esult of the Beneficial Use Exception, dinking wate standads no longe apply as cleanup goals. The OU-2A ROD documents NA fo soil and ICs peventing use of goundwate at Site 19 (Navy 2012b). 4.1.8 IR Site 20 (OU-4C) IR Site 20, also known as Oakland Inne Habo, is located offshoe of fome NAS Alameda, on the southen side of the Oakland Inne Habo Channel. The Oakland Inne Habo Channel is a Final FOST fo Fome NAS Alameda 8 TRVT-4408-0001-0057

majo industial wateway, seving maine teminals and epai facilities in the cities of Oakland and Alameda. The shoeline of IR Site 20 extends 3,960 feet. Thee ae fou stom sewe outfalls along the IR Site 20 shoeline (Figue 3). The RI epot (Battelle, ARCADIS (BBL), and Neptune & Company 2007) fo IR Site 20 documents that thee ae no unacceptable isks to human o ecological eceptos. IR Site 20 eceived egulatoy closue with a no-action ROD in Septembe 2008 (Navy 2008b). 4.1.9 IR Site 22 (OU-2A) IR Site 22, Building 547 (Fome Sevice Station), is 2.1 aces in size and is located in the southeasten aea of fome NAS Alameda along Main Steet (easten popety bounday) (Figue 3). IR Site 22 was fomely a gasoline distibution and sevice station. All buildings associated with the sevice station (Building 547, 547A, and Stuctue 547) have been demolished. IR Site 22 is gouped with IR Sites 9, 13, 19, and 23 unde OU-2A. Lead was the only chemical of concen (COC) identified in soil at IR Site 22 in the RI epot. No COCs wee identified fo goundwate at IR Site 22. Data gaps wee identified duing pepaation of the FS fo IR Site 22. The daft FS ecommended collection of additional data including soil samples beneath OWS-547 to be analyzed fo metals, PCBs, pesticides, and VOCs (SulTech 2005b). The data gaps investigation was completed in 2008. The esults of the data gaps investigation wee epoted in the final data gap technical memoandum fo OU-2A and - 2B, submitted in Januay 2009. The esults of a supplemental data gaps investigation wee epoted in 2010. The evised FS epot was submitted in June 2011 (OTIE 2011). The Poposed Plan was submitted in August 2011 (Navy 2011a). The OU-2A ROD documents NA fo soil and goundwate at Site 22 (Navy 2012b). 4.1.10 IR Site 23 (OU-2A) IR Site 23, Building 530 (Missile Rewok Opeations), is 14.3 aces in size and is located in the southeasten aea of fome NAS Alameda along the easten popety bounday (Figue 3). Building 530 is the main stuctue at IR Site 23, along with Buildings 529 and 600. The easten one-thid of IR Site 23 is used cuently as a self-stoage facility (SulTech 2005a). Site 23 is gouped with IR Sites 9, 13, 19, and 22 unde OU-2A. Asenic and TRW (lead, PAHs, and benzene) wee identified as COCs in soil. No COCs wee identified fo goundwate at IR Site 23 (SulTech 2005a). Data gaps wee identified duing pepaation of the FS fo IR Site 23. The daft FS ecommended collection of additional data, including samples of goundwate nea geneato accumulation point (GAP) 64 fo analysis of VOCs. In addition, the daft FS ecommended collecting samples of soil beneath OWSs 529 and 530 to be analyzed fo metals, PCBs, pesticides, and VOCs (SulTech 2005b). The data gaps investigation was completed in 2008. The esults of the data gaps investigation wee epoted in the final data gap technical memoandum fo OU-2A and -2B, submitted in Januay 2009. The evised FS epot was submitted in June 2011 (OTIE 2011). The poposed plan was submitted in August 2011 (Navy 2011a). Final FOST fo Fome NAS Alameda 9 TRVT-4408-0001-0057

The OU-2A ROD documents NA fo soil and goundwate at Site 23 (Navy 2012b). The Wate Boad etains its authoity to egulate the TRW and/o co-located petoleum in the futue at Site 23. 4.1.11 IR Site 26 (OU-6) IR Site 26, the fome Westen Hanga Zone, is located in the cente of fome NAS Alameda (Figue 3). IR Site 26 is coveed by pavement, fou aicaft hangas (Buildings 20 though 23), a painting and finishing building (Building 24), and seveal ancillay buildings. No COCs wee identified fo soil at IR Site 26. COCs identified fo goundwate wee cis-1,2- dichlooethene (DCE), tichlooethene (TCE), and vinyl chloide (Bechtel Envionmental, Inc. [Bechtel] 2003). The final ROD documented no futhe action fo soil and ISCO, enhanced ISB (EISB), MNA, and ICs fo goundwate (Navy 2006b). The Final Remedial Design/Remedial Action Wok Plan (RD/RAWP) fo goundwate was submitted in Octobe 2008 (Battelle 2008). Full-scale in situ chemical oxidation (ISCO) was pefomed between July 2008 and Febuay 2009. EISB was pefomed between Octobe 1, 2008 and Novembe 5, 2008 (Battelle 2011b). Evaluation of continuing goundwate monitoing is guiding the ongoing emedial action. Based on the documented emedial action pogess, U.S. EPA has detemined that the emedy is OPS (U.S. EPA 2012b) and, theefoe, Site 26 is suitable fo tansfe. 4.1.12 IR Site 27 (OU-6) IR Site 27, the Dock Zone, is 15.8 aces. IR Site 27 is located in the southeasten potion of fome NAS Alameda, adjacent to the Seaplane Lagoon (Figue 3). IR Site 27 is mostly paved o coveed by buildings. The site includes Buildings 68, 168, 555, and 601; Fey Point Road and West Oiskany Avenue; inactive aiload tacks and sidings; and fenced open space between Building 168 and Fey Point Road. Histoical activities at IR Site 27 included ship docking, ship epai, and maine painting. The easten potion of IR Site 27 was used fo stoing mateials and equipment, as well as vehicle paking. Building 168 was used as a waehouse and to suppot watefont sevices, including welding activities. Building 555 was used as an electical substation. Histoically, open space at IR Site 27 was used as an aicaft paking aea. The southen potion of a fome fuel fam aea is located in the nothwesten potion of IR Site 27. The ROD (Navy 2008a) documented that NA was selected fo soil and selected ISCO, MNA, and ICs fo goundwate in the cental and easten potion of IR Site 27. Sampling was conducted to suppot the design of the selected emedy. The IR Site 27 RD/RAWP was submitted in June 2009 (Battelle 2009). Remedial action began in July 2009 with ISCO completed and MNA cuently ongoing. A Technology Tansfe Technical Memoandum documents the Remedy-In-Place fo IR Site 27 (Battelle 2010b). Evaluation of continuing goundwate monitoing is guiding the ongoing emedial action. Based on the documented emedial action pogess, U.S. EPA has detemined that the emedy is OPS (U.S. EPA 2012d) and, theefoe, Site 27 is suitable fo tansfe. Final FOST fo Fome NAS Alameda 10 TRVT-4408-0001-0057

4.1.13 IR Site 28 (OU-6) IR Site 28, Todd Shipyads, is 2.9 aces in size and is located in the notheasten potion of fome NAS Alameda on the Oakland Inne Habo (Figue 3). The ROD was signed in Octobe 2007 and included soil excavation and disposal and goundwate metals immobilization (Navy 2007c). The RA was completed in June 2010. The Site 28 I-RACR (Battelle 2012a) documents that all necessay soil emedial actions have been conducted to achieve the RAOs fo soil and that the soil emedy is complete. The I-RACR also documents the goundwate emedy which consisted of emoving and disposing of souceaea soil, applying and injecting metals immobilization compound, and follow-on goundwate monitoing. Evaluation of continued goundwate monitoing is guiding the ongoing emedial action. Based on the pogess documented in the I-RACR, U.S. EPA has detemined that the emedy is OPS (U.S. EPA 2012e) and, theefoe, Site 28 is suitable fo tansfe. 4.1.14 IR Site 29 (OU-4C) IR Site 29, fome Skeet Range, is a submeged site located along the nothwesten shoeline of fome NAS Alameda. IR Site 29 extends to appoximately 800 feet off shoe into the San Fancisco Bay (Figue 3). The fome Skeet Range consisted of two main shooting anges (nothen and southen) that wee actively used fo 30 to 40 yeas until they wee closed in 1993. Lead shot was dischaged fom guns towad clay pigeon tagets pojected westely ove San Fancisco Bay at the fome Skeet Range. All of the histoical stuctues elated to the shooting anges have been emoved fom the popety (Navy 2005b). No COCs wee identified in sediments at IR Site 29. PAHs in sediments at IR Site 29 wee unelated to the Skeet Range and could be associated with othe backgound souces of PAHs thoughout the San Fancisco Bay aea (Navy 2005b). The emedial altenative in the ROD identified NA fo sediments at IR Site 29 (Navy 2005b). The ROD documenting NA fo IR Site 29 was signed with egulatoy concuence in Septembe 2005 (Navy 2005b) and the site is closed. 4.1.15 IR Site 35 IR Site 35 is composed of 23 study aeas, known as aeas of concen (AOCs) (Figue 3). In 1995 and 1997, a Time Citical Removal Action (TCRA) fo stom sewe sediment emoval was completed by Navy. A potion of this wok occued within IR Site 35. In 2001, a non-time Citical Removal Action (NTCRA) was conducted in AOC 12 to emove lead-containing soil. In 2002, a TCRA was conducted fo soil with epoted benzo(a)pyene (b(a)p) equivalent concentations that exceeded 1.0 mg/kg in the top two feet of soil in the West Housing Aea (IR Site 35 AOCs 4, 5, 7, 9, 13, and 14). In 2002 a TCRA was conducted at Building 195 to emove a pesticide/fetilize shed in AOC 8. These inteim actions wee documented in the ROD as being potective of unesticted site use. Final FOST fo Fome NAS Alameda 11 TRVT-4408-0001-0057

A Final RI/FS Repot was pepaed fo IR Site 35 in Apil 2007 (Bechtel 2007). Based on the findings of the RI potion of the epot, eight AOCs wee identified fo soil action and no action fo goundwate. AOCs 19 and 22 wee emoved fom Site 35 and included within IR Site 6 and Coective Action Aea (CAA)-B pio to completion of the Final RI/FS (Navy 2010a). The ROD (Navy 2010a) documented NA fo goundwate, NFA equied fo AOCs 14, 15, 16 and emedial action equied fo soil in AOCs 3, 10, and 12. Remedial action included soil excavation and offsite disposal followed by site estoation (Navy 2010a). The RACR documented that the implemented emedy met RGs/RAOs (OTIE 2012) fo unesticted use. U.S. EPA concued with the Site 35 RACR and with site closue (U.S. EPA 2012f). 4.2 PETROLEUM PRODUCTS AND DERIVATIVES The histoy and status of the Alameda Petoleum Pogam is documented in the Petoleum Management Plan (PMP) (Battelle 2010a) and a subsequent update (Battelle 2012b). Unless othewise noted, these two documents ae the pimay souce fo the desciptions in the following two sections and the associated tables. The Petoleum Pogam was ceated to addess potential and actual soil and goundwate contamination elated to petoleum poducts, which ae excluded fom CERCLA egulations. The Navy developed a fuel site closue plan in 2001 in coopeation with the Wate Boad and DTSC. The Wate Boad issued a lette in 2001 poviding concuence on the appoach. The Navy identified a vaiety of CAAs as pat of the Petoleum Pogam. Those CAAs wholly o patially within the FOST Pacel ae listed in Table 2. Sepaately, the Navy and DTSC pepaed a RFA (DTSC 1992b) to identify sites potentially equiing closue unde RCRA egulations. The RFA identified all RCRA Units duing an evaluation conducted between 2004 and 2006 (SulTech 2007b). These included individual o collections of USTs, ASTs, OWSs, GAPs, and vehicle washdown aeas (WDs). The RCRA Units wee evaluated in 18 SWMU evaluation epots, geneally as pat of ongoing CERCLA investigations. RCRA Units equiing additional action wee assigned to the CERCLA Pogam o the Petoleum Pogam. USTs and ASTs within the FOST Pacel ae listed in Table 3. Othe RCRA Units within the FOST Pacel ae listed in Table 4. The tables identify unde which pogam closue is being addessed. CAA locations ae shown on Figue 4. Fuel line (FL) locations ae shown on Figue 5. AST locations ae shown on Figue 6 and UST locations ae shown on Figue 7. 4.2.1 Open Petoleum Pogam Sites The Petoleum Pogam sites discussed in this section ae open. The TRW and co-located petoleum in aeas of Sites 13 and 23 wee closed unde CERCLA. Howeve, in the OU-2A ROD the Wate Boad etained its authoity to egulate petoleum compounds in these aeas in pepetuity to mitigate potential isks to human health, safety and the envionment. They include sites with outstanding NFA equests that ae awaiting witten egulatoy concuence and sites fo which the Navy is consideing submitting NFA equests in the futue. Site investigation, emediation, and/o monitoing activities ae ongoing at seveal of these open sites. Final FOST fo Fome NAS Alameda 12 TRVT-4408-0001-0057

AOC 23 A equest fo closue was submitted to the Wate Boad in Decembe 2011 fo petoleum site AOC 23, a 1,2-dichloethane (DCA) plume. CAA-4B CAA-4B consists of the aea aound Building 372 that was used as an engine test facility. It includes USTs 372-1 and 372-2 (and an associated fuel spill called AOC 372 o SWMU 372.) Both tanks wee emoved in 1995. It also includes fome fuel oil AST 372, emoved some time pio to 2002. These tanks, and the majoity of the site, ae not within the FOST Pacel. The site also includes USTs 616-1 and 616-2 (sometimes collectively called AOC 616.) These tanks wee fo emegency spill contol, but epotedly wee neve used and neve held anything but wate. They ae closed-in-place and ae within the small potion of this site that is within the FOST Pacel. A closue summay epot is with the Wate Boad pending agency concuence. The PMP indicates a ecommendation of NFA fo the USTs and fo CAA-4B. CAA-4C The site consists of the aea aound fome Building 547 that was used as a gasoline sevice station and ca wash between 1971 and 1980. It includes USTs 547-1 though 547-3 (sometimes collectively called UST(R)-17), all emoved in 1994. Suspected USTs 547-4 and 547-5 (identified in the RFA) could not be located by geophysical suvey and do not appea on base ecods. Based on eseach into the existence of these USTs, it is concluded that the USTs neve existed and wee incoectly identified by pio contactos. These USTs have been emoved fom the AP Petoleum Pogam. CAA-4C also includes fome Oil Wate Sepaato (OWS) 547. All wee within the footpint of the FOST, as is the majoity of the site. CAA-6 Only a small potion of this site is within the FOST Pacel. See Section 6.2.14 fo site discussion. CAA-7 The site consists of the aea aound Building 459 that was used as an automobile sevice station, and Building 506 that was used fo maintenance and miscellaneous equipment stoage. It includes USTs 459-1 though -8 (sometimes collectively called UST RCRA Unit [UST(R)]-16, and UST 459-7 is sometimes efeed to as NAS GAP 16) and UST 506-1, all emoved in the mid- to late-1990s. CAA-8 The site consists of the aea aound Building 114 that was used fo public woks maintenance and stoage and an administative office, and Building 191 that was used fo stoage. It includes WD 114, a washdown aea in the coutyad of Building 114, and OWS 114, located within the washdown aea. The entie site is within the FOST Pacel. CAA-9A The site consists of the aea aound Building 584 which was used fo stoage of coosives, lubicating oils, and wate teatment chemicals. It includes USTs 584-1 and 584-2, both emoved in 1994. The entie site is within the FOST Pacel. CAA-11A The site consists of the aea aound Building 14 that was used as an aicaft engine test and epai facility. The site includes USTs 14-1 though 14-6, sometimes efeed to as UST(R)-06, which wee emoved in 1994, and fome OWS 162. Only a small potion of the site, and none of the above-listed associated featues, is within the FOST Pacel. A biospaging system was implemented between 2003 and 2004 fo eleases attibuted to USTs 14-1, 14-2, 14- Final FOST fo Fome NAS Alameda 13 TRVT-4408-0001-0057

3, and 14-6. The Wate Boad was povided a Summay Closue Repot in Octobe of 2011 (Navy 2011b). CAA-11B The site consists of the aea designated Aea 37, a fuel stoage aea. Aea 37 includes Stuctue 598 (also sometimes called HW-04) that was a seconday containment aea fo ASTs 598A though 598C. These ASTs wee emoved in 2004 and all ae within the FOST Pacel. Aea 37 also includes USTs 37-1 though 37-24, sometimes collectively efeed to as UST(R)-07, which wee emoved between 1995 and 1998. A majoity of the site and 18 of the 24 USTs ae within the FOST Pacel. Aea 37 also includes fome ASTs 037A though 037D which wee on adjacent popety. CAA-12 The site consists of the aea aound Building 29 that was an aicaft weapons ovehaul and testing facility; Building 38, which seved as an acoustical enclosue fo aicaft engines; and Facilities 461A, B, and C, which seved as aicaft un-up aeas. The site includes fome ASTs 029 and 038 and fome OWS 038. The majoity of the site and all the above-listed associated featues ae within the FOST Pacel. OWS 038 eceived closue by the Wate Boad in Febuay 2012 (Wate Boad 2012b). CAA-13 The site consists of the aea aound Building 397 that was a jet engine testing facility, Building 406A which contained contol equipment fo a defueling facility, Building 529 which supplied auxiliay powe fo Building 530, and Building 606 which was used as an administation building. The site includes fome ASTs 530A though 530C, and closed-in-place OWSs 529 and 530. Fee poduct was noted duing sampling activities aound the defueling facilities, sometimes efeed to as Defueling Aea 530. The site also includes fome OWSs 397A though 397D, and a 3,500- to 17,000-gallon jet fuel spill cica 1991 when heavy ains caused these fou OWSs to oveflow, and a dain valve left open on a fuel supply line allowed the elease of jet fuel (Shaw E&I 2011). Dual-vacuum extaction (DVE) and biospaging systems wee opeated fom 2003 until 2006. Most of the site, and all the above-listed associated featues, ae within the FOST Pacel. CAA-14 The site consists of the aea aound Building 331 that was used as a woodwoking facility and offices. It includes fome AST 331, also efeed to as SWMU 331. CAA-B The site consists of the aea aound thee east-west, paallel FLs used to tanspot jet fuel, with multiple cossing FLs (about 22,500 feet) that link a seies of fueling pits. The FLs wee abandoned in place in 1998. The majoity of the site is within the FOST Pacel. CAA-C The site consists of the aea aound Hange 23 that was used fo aicaft paking, maintenance, and fueling activities. The FLs wee closed in place. DVE and ai spaging systems opeated in 2008 and 2009. Post-emediation monitoing is ongoing. The majoity of the site is within the FOST Pacel. IR 09 Fee poduct at IR 09 is being addessed unde the Petoleum Pogam, efeed to in the PMP as IR SITE 09-FP1/2 (Battelle 2010c). The entie site is within the FOST Pacel. EDC-12 AOC 3: This is a fome aicaft scap yad, pats stoage, teated and lumbe stoage aea whee TPH-moto oil has been detected. The entie site is within the FOST Pacel. EDC-12 AOC 5: This is a fome aicaft washdown aea whee TPH-diesel and TPH-moto oil have been detected. The entie site is within the FOST Pacel. Final FOST fo Fome NAS Alameda 14 TRVT-4408-0001-0057

4.2.2 Open Abovegound Stoage Tanks, Oil and Wate Sepaatos, Washdown Aeas, Fuel Line Sites, and Undegound Stoage Tanks Open Petoleum Pogam ASTs, OWSs, WDs, FLs, and USTs pesent in the FOST Pacel not associated with a CAA ae listed below. Additional infomation can be found in Table 3, Table 4, and Table 7. AST 008 AST 016 AST 021B AST 039 AST 152 AST 173A AST 173B AST 173C AST 324 AST 325 AST 326 AST 327 AST 328 AST 331 AST 342C AST 345A AST 345B AST 345C AST 494 AST 511A AST 511B AST 528 AST 620 AST 623A AST 623E AST P20 OWS 067 OWS 166A OWS 166B WD 166 FL-032 FL-033 FL-035 FL-125 FL-126 FL-139 FL-139A FL-140 FL-142 FL-154 FL-155 FL-155B FL-155C FL155D FL-163A FL-165 FL-191 FL-192 UST 39-1 (also known as AOC 039) UST 173-1 UST 173-2 UST 173-3 UST 473-1 (also known as AOC 473) UST 506-1 (also known as UST[R]-16) 4.2.3 Closed Petoleum Pogam Coective Action Aea Sites The following Petoleum Pogam CAA Sites ae closed with witten egulatoy concuence. Figue 4 shows the Coective Action Aeas. CAA-2 The site consists of the aea aound UST 357 FS-1, sometimes also efeed to as AOC 357 o UST 357-1. The tank was emoved in 1995 and the site eceived closue concuence with land use estictions in 2011 (Wate Boad 2011). CAA-A The site consists of the aea aound two paallel, 10-inch fuel lines used to tanspot jet fuel. The site was closed with concuence in 2007 (Wate Boad 2007) without estictions. CAA-10 The site consists of the aea aound Building 19 that was a contol towe, photogaphic pocessing opeations aea, and fie/escue station; and Building 491 that housed an emegency geneato. It includes UST 491-1 (sometimes efeed to as AOC 491) and ASTs Final FOST fo Fome NAS Alameda 15 TRVT-4408-0001-0057

019A though 019C. The entie site is within the FOST Pacel. The site was closed with land use estictions (Wate Boad 2012c). 4.2.4 Closed Undegound Stoage Tanks Closed Petoleum Pogam USTs not associated with a CAA ae listed below. Additional infomation can be found in Table 3. Sites listed below wee closed without the need fo land use estictions: UST 1-1 (also known as AOC 001) UST 117-1 (also known as UST[R]-08) UST 13-1 UST 13-2 UST 13-3 UST 13-4 UST 13-5 UST 271-AV1 UST 271-AV2 UST 340-1 (also known as AOC 340) UST 374-1 UST 374-2 UST 374P-1 (also known as RCRA (R)-10 UST 392-1 UST 393-1 UST 40-1 UST 411-1 UST 7-1 UST(R)-10/ NAS GAP 27 4.2.5 Closed Abovegound Stoage Tanks, Oil and Wate Sepaatos, and Fuel Lines Closed Petoleum Pogam ASTs, OWSs, and FLs pesent in the FOST Pacel not associated with a CAA ae listed below. Additional infomation can be found in Table 3, Table 4, and Table 7. Sites listed below wee closed without land use estictions: AST 176 AST 179 AST 623B AST 623C AST 623D AST 623F AST 623G AST 623H AST 623I OWS 494 OWS 588 FL-016 FL-016B FL-023 FL-023E FL-023G FL-023H FL-157 FL-163 Final FOST fo Fome NAS Alameda 16 TRVT-4408-0001-0057

4.3 ASBESTOS-CONTAINING MATERIAL DoD policy is to manage ACM in a manne potective of human health and the envionment, and to comply with all applicable fedeal, state, and local laws and egulations govening ACM hazads (DoD 1994). All popety subject to this FOST was subject to an Economic Development Conveyance MOA between the Navy and ARRA (now the City of Alameda), dated June 6, 2000. All available infomation egading the existence, extent and condition of known ACM was fully identified in Exhibit "I" to the Economic Development Conveyance MOA. Pusuant to and contempoaneous with that ageement, a eal popety inteest fo all of the FOST Pacel was conveyed to the ARRA in accodance with and subject to a LIFOC. Pio to that, the popety had been leased to the ARRA pusuant to an LPL. All available infomation egading the existence, extent, and condition of known ACM was fully identified in Exhibit "B" to the LPL. Since that time, ACM which, following the commencement of the LPL, may have become damaged o deteioated though the passage of time, o as a consequence of the ARRA (now the City of Alameda) activities, has been the esponsibility of the ARRA (now the City of Alameda). In addition, the ARRA (now the City of Alameda) has been esponsible fo monitoing the condition of existing ACM on the FOST Pacel fo deteioation o damage and accomplishing epais o abatement pusuant to the LIFOC, and has ageed to comply with all applicable fedeal, state, and local laws elating to ACM. The ARRA (now the City of Alameda) has ageed to pohibit occupancy of buildings o stuctues containing known ACM pio to abatement of the ACM o demolition of the stuctue. The Navy is not esponsible fo any damages elating to ACM aising out of any activities occuing afte the date of the LIFOC. No additional notices ae equied with espect to ACM. A estiction is equied as discussed in Section 5.3 to cay fowad the appopiate ACM estictions fom the LIFOC. 4.4 LEAD-BASED PAINT LBP hazads ae defined in the Fedeal Residential Lead-based Paint Hazad Reduction Act of 1992 (Title X of Public Law 102550), as codified in 42 USC 4822 (Act) as any condition that causes exposue to lead that would esult in advese health effects. The Act povides fo egulation of lead hazad abatement fom LBP. Hazads include lead-contaminated dust and soil fo taget housing only. The Act defines taget housing as any housing constucted befoe 1978, except any housing fo the eldely o pesons with disabilities (unless any child who is less than 6 yeas of age esides o is expected to eside in such housing fo the eldely o pesons with disabilities) o any zeo-bedoom dwelling. Unde the Act, the Navy is equied to disclose the pesence of known LBP and/o LBP hazads pio to the sale o tansfe of popety to a nonfedeal entity. In 1998, the Navy conducted a LBP isk assessment fo fome NAS Alameda. The Navy found LBP hazads thoughout (i.e., the inteio and exteio of all fome housing units suveyed). Notice of the existence of LBP at fome NAS Alameda was povided to the ARRA (now the City of Alameda) in 2000 when the LIFOC was executed. The LIFOC tansfeed all esponsibility fo LBP fom the Navy to the ARRA (now the City of Alameda) and equied the ARRA (now the City of Alameda) to comply with all applicable fedeal, state, and local laws. Final FOST fo Fome NAS Alameda 17 TRVT-4408-0001-0057

The LIFOC notified the ARRA (now the City of Alameda) that (1) buildings and othe painted stuctues in the leased pemises potentially contained LBP, and (2) such buildings and stuctues wee not suitable fo occupancy fo esidential puposes until any inspections and abatement equied by applicable law have been completed. As a condition of popety tansfe, the City of Alameda will be equied to acknowledge eceipt of the U.S. EPA-appoved pamphlet, Potect You Family Fom Lead in You Home, (EPA 747-K-94-001) and to agee that in any impovements on the FOST Pacel defined as taget housing by Title X and constucted befoe 1978, LBP hazads will be disclosed to futue occupants befoe use of such impovements as a esidential dwelling. A notification will be povided that buildings at fome NAS Alameda that wee constucted pio to 1978 may contain LBP, and demolition of nonesidential buildings constucted befoe 1978 poses the possibility that lead will be found in the soil as a esult of these activities. If the tansfeee intends to demolish and edevelop fo esidential use afte tansfe any nonesidential buildings, the tansfeee may, unde applicable law o egulation, be equied by DTSC o othe egulatoy agencies to evaluate the soil adjacent to the nonesidential buildings fo the hazads of lead in soil. Residential buildings identified with LBP ae summaized on Table 6. No additional notices ae equied with espect LBP. A estiction is equied as discussed in Section 5.4 to cay fowad the appopiate LBP estictions fom the LIFOC. 4.5 POLYCHLORINATED BIPHENYLS DoD policy guidance fo PCBs is based on the Toxic Substances Contol Act (TSCA) egulations found in Title 40 CFR Pat 761. All Navy equipment at fome NAS Alameda with oil o othe dielectic fluids that contain PCBs had a PCB concentation of less than 40 pats pe million (ppm), and all of the equipment on the FOST Pacel was tansfeed to the Alameda Bueau of Powe and Light, cuently known as the Alameda Municipal Powe in 2001. 4.6 MUNITIONS AND EXPLOSIVES OF CONCERN Unde the Munitions Response Pogam (MRP), the Navy conducted a seach to addess munitions and explosives of concen (MEC), and munitions constituents used o eleased at sites fom past on-site activities. In 1994 an Envionmental Baseline Suvey (EBS) was pepaed and included a fence-to-fence inspection, a compehensive document eview, and pesonnel inteviews to establish the histoy of MEC use, stoage, and disposal at fome NAS Alameda. The EBS documented use and stoage of MEC, but did not identify any MEC disposal within the pacel boundaies of this FOST (ERM-West 1994). Odnance has been stoed and used at fome NAS Alameda thoughout its histoy as a militay installation. Odnance stoage included ship and aicaft weapons systems, combat foce weapons, and small ams and ammunition used by base secuity pesonnel. The Navy has emoved all stoed odnance fom fome NAS Alameda (EFA-West 1999). No futhe MEC investigation is equied fo the FOST Pacel. Final FOST fo Fome NAS Alameda 18 TRVT-4408-0001-0057

4.7 RADIOLOGICAL PROGRAM Duing the base-wide EBS, the Navy eviewed on-site ecods and seached fo additional infomation on known and potential uses of adiological mateials at fome NAS Alameda (ERM-West 1994). Radioactive mateials ae any mateials that ae adioactive, except excluded adioactive mateials as defined in Section 101(22) of CERCLA. Following this, a 1995 suvey and a subsequent Histoical Radiological Assessment (HRA) wee conducted by the Navy. The esults of the HRA wee pesented as a two-volume set. Volume I addessed adioactivity associated with the Naval Nuclea Populsion Pogam (Peal Habo Naval Shipyad [PHNSY] 2000) and Volume II addessed adioactivity associated with geneal adioactive mateial (G-RAM) which, fo the puposes of the HRA, is defined as any adioactive mateial used by the Navy o Navy contactos not associated with the Naval Nuclea Populsion Pogam (Weston 2007). The two volumes wee witten by diffeent oganizations and published sepaately because diffeent Naval Sea Systems Command offices manage G-RAM apat fom the Naval Nuclea Populsion Pogam. 4.7.1 Naval Nuclea Populsion Pogam Histoically, nuclea-poweed ships have used fome NAS Alameda pot facilities. Volume I of the HRA pesents the Navy s investigation of adioactivity associated with the Naval Nuclea Populsion Pogam at fome NAS Alameda (PHNSY 2000). The HRA assessed the impact on the envionment fom nuclea-poweed ship maintenance, ovehaul, and efueling. The HRA concluded that the bething and maintenance of nuclea-poweed ships at fome NAS Alameda fom 1956 to 1997 esulted in no advese effects on human health o the envionment. Volume I of the HRA also concluded that an independent eview conducted by U.S. EPA was consistent with findings pesented in the Navy epot (EFA-West 1999). No notices o estictions ae equied egading the Naval Nuclea Populsion Pogam. 4.7.2 Geneal Radioactive Mateial Fome NAS Alameda used and stoed G-RAM duing past base opeations. The Volume II HRA designated histoical use sites as eithe adiologically impacted o non-impacted. The HRA defined a site as impacted when the site has o histoically had a potential fo G-RAM contamination based on the site opeating histoy o known contamination detected duing pevious adiation suveys. An impacted site designation identified a site as having a possibility fo contamination based on histoical ecods. Impacted sites include sites whee adioactive mateials wee used o stoed; sites whee known spills, dischages, o othe instances involving adioactive mateials have occued; o sites whee adioactive mateials might have been disposed of o buied (Weston 2007). Of 685 potential G-RAM sites at fome NAS Alameda, the HRA designated 23 sites as adiologically impacted. Of these impacted sites, nine ae located within the FOST Pacel (Table 5). The adiological site locations and status of each site ae shown on Figue 9. Othe adiologically impacted sites identified in the HRA ae located outside the boundaies of this FOST and descibed in Section 6.0. Final FOST fo Fome NAS Alameda 19 TRVT-4408-0001-0057

Sewe Line F - RAD SS-F The stom dain lines associated with Buildings 5 and 400 that dischage into the nothwest cone of Seaplane Lagoon contained adioactive contamination and equied a esponse action. An Action Memoandum was issued to document this decision, and a TCRA wok plan was finalized in June 2008. Excavation of lines began in July 2008 and demobilization was completed in Septembe 2010. Whee necessay to accommodate dainage needs, new stom dain lines wee installed to eplace those that wee emoved. Radiologically impacted soil and debis wee chaacteized and disposed of at a fully pemitted off-site disposal facility (Teta Tech EC [TtECI] 2011). The Final TCRA epot was submitted in Septembe 2011 (TtECI 2011) and no futhe action is equied fo these lines. Building 310 - RAD 053-2 -, and Building 309 - RAD 053-3 - Buildings 309 and 310 wee located above the stom dain line and wee subsequently suveyed and demolished duing the emoval fo access to the dain line. The Final TCRA epot that documents these activities was submitted in Septembe 2011 (TtECI 2011) and no futhe action is equied fo these sites. Hanga 12 RAD 053-1 In the HRA, Hanga 12 was ecommended fo No Futhe Action. The HRA noted that the Califonia Depatment of Health Sevices (pedecesso oganization to CDPH) veified Navy Radiological Affais Suppot Office (RASO) suveys, pefomed some confimation suveys, and concued with the unesticted elease fo Hanga 12. No futhe action is equied fo RAD 053-1 (Weston 2007) and the site is closed. Building 114 Coutyad - RAD 075 - Building 114 Coutyad is located within IR Site 8 and is a lage, asphalt-paved aea between sections of Building 114 and suounding a smalle Building 191. Thee is no histoy of the Navy stoing adioactive mateial in the coutyad pio to base closue; howeve, one aea has been used fo the tempoay stoage of adium-contaminated piping emoved by emediation contactos fom Building 5 (ChaduxTt 2012b). The adionuclide of concen is adium-226 based on the HRA (Weston 2007). A suvey was pefomed to confim that the coutyad is fee of adioactive mateials (ChaduxTt 2012b). The piping consisted of dain piping fom the ooms used fo adium dial painting and dial maintenance. The contaminated piping was stoed in closed bins along the noth side of the southen potion of Building 114 Coutyad. Appoximately 14,000 squae feet wee suveyed and the suvey included alpha suface scanning measuements, diect measuements, swipe suveys at defined and andom locations fo alpha and beta adiations, and measuements of adioactivity in coutyad dains (ChaduxTt 2012b). The esults of alpha suface adioactivity measuements collected in the 13 suvey units of the Building 114 Coutyad indicate that only backgound levels of adioactivity ae pesent, with no measuements exceeding the elease citeia. The data ae nomally distibuted above and below established site-specific backgound levels, with distibutions typical of backgound adioactivity. No evidence of esidual adioactivity fom histoical Navy activities was found and the Building 114 Coutyad is suitable fo unesticted use (ChaduxTt 2013). Building 7 - RAD 082 - Building 7 contained laboatoy instumentation that used adioactive souces. Building 7 was noted as impacted in the HRA because of the loss of a sealed adioactive souce in 1989 fom one of the instuments used in the laboatoy (ChaduxTt 2011a). The sealed souces contained in Building 7 instumentation wee contolled unde Navy Radioactive Mateials Pemit (NRMP) No. 04-00236-K1NP (ChaduxTt 2011a). The NRMP was closed afte all effots to locate the souce had been exhausted and all known souces wee tansfeed to Final FOST fo Fome NAS Alameda 20 TRVT-4408-0001-0057

Nuclea Regulatoy Commission license holdes. In June 1997, the Navy RASO ecommended temination of the NRMP. In Octobe 1997, a closeout scoping suvey was conducted of Rooms 211, 212, and 215 in Building 7 to evaluate whethe esidual contamination existed fom the lost sealed souce. No esults wee above backgound (ChaduxTt 2011a). A 1997 RASO eview of the suveys in Building 7 concluded that the building was suitable fo unesticted use. The Navy published a Building 7 adiological closue epot (ChaduxTt 2011a). Seaplane Ramp and Paking Apon- RAD 23F The HRA listed the Seaplane Ramp and Paking Apon as an impacted site with the Recommended Action of Fee Release pending final Navy and egulatoy agency eview and concuence of a 100% gamma suvey. Fee elease is defined in the HRA as a ecommendation made afte histoical documentation and pevious and cuent investigations and suveys indicate all applicable elease citeia have been met and the site is eady fo eview by Navy and egulatoy agencies fo futue non-adiological use. The Final Radiation Suvey Repot was eviewed and concued by Navy and egulatoy agencies (PRCEMI 1998). In Januay 2011, the Seaplane Ramp and Paking Apon was incopoated in the Radiological Contolled Aea (RCA) in suppot of the Site 17, Seaplane Lagoon, emedial action. As pat of the Navy s wok plan a dying pad was built ove the peviously eleased aea. While disceet souces of adioactive mateials wee found in the sediment, no loose sediment contamination was found. Afte the dedge wok and sediment dying was completed, the Navy emoved the pads. The potion of the Seaplane Lagoon Ramp and Paking Apon that is included in this FOST was suveyed fo adioactivity and the esults indicate that only backgound levels of adioactivity ae pesent, with no measuements exceeding the elease citeia. The data ae nomally distibuted above and below established site-specific backgound levels, with distibutions typical of backgound adioactivity. No evidence of esidual adioactivity fom histoical Navy activities was found and no futhe action is equied fo this aea pio to tansfe. A fomal completion epot epoting esults fo the entie aea is planned fo 2014. Building 66 - RAD 125 - Building 66 is a single-stoy, appoximately 31,000-squae-foot stuctue used fo aicaft engine wok and engine accessoy testing. Included wee wok on spak gap iadiatos that contained adioactive mateials, and possible decontamination and ovehaul of contaminated aicaft engines. Radionuclides of concen ae cesium 137, cobalt 60, stontium 90, plutonium 239, and uanium dioxide (ChaduxTt 2011b). Based on the ecommendation of the HRA (Weston 2007), a suvey was pefomed to confim that the building is fee of adioactive mateials associated with histoical Navy activities and Building 66 is suitable fo unesticted use (ChaduxTt 2012a). Fome Smelte Aea - RAD 125-1 - The Fome Smelte Aea is a 40,000-squae-foot aea east of Building 66 whee a fome smelte building was peviously constucted. The Smelte Aea is now occupied by Buildings 398 and 399 and associated suppot equipment. The HRA (Weston 2007) identified the possibility that adium components wee melted down at the smelte, along with othe metal components when the pevious smelte was in opeation. A scoping suvey was pefomed to evaluate whethe adionuclides of concen wee pesent in accessible aeas and to povide infomation to assist in assessing whethe the site was impacted o non-impacted and to identify futue actions, if necessay (ChaduxTt 2012a). The esults of the scoping suvey did not identify any adioactivity in soil o the concete pad above backgound Final FOST fo Fome NAS Alameda 21 TRVT-4408-0001-0057

levels o that can be associated with the Navy s fome smelte opeations; theefoe, the site is suitable fo unesticted use (ChaduxTt 2012b). 4.8 PESTICIDES The FOST Pacel may contain esidue fom pesticides that have been applied in the management of the popety. The Navy knows of no use of any egisteed pesticide in a manne inconsistent with its labeling and believes that all applications wee made in accodance with the Fedeal Insecticide, Fungicide, and Rodenticide Act, Title 7 USC 136, et seq., its implementing egulations, and accoding to the labeling povided with such substances. It is the Navy s position that it shall have no obligation unde the covenants povided pusuant to Section 120(h)(3)(A)(ii) of CERCLA, Title 42 USC 96720(h)(3)(A)(ii), fo the emediation of legally applied pesticides. 4.9 OTHER AREAS INVESTIGATED/ISSUES No othe locations of concen wee identified in aeas that ae not within IR Site boundaies. 5.0 SUMMARY OF RESTRICTIONS This section summaizes the estictions if any, associated with the FOST Pacel poposed fo tansfe elated to CERCLA/RCRA sites, petoleum poducts and deivatives, ACM, and LBP. These estictions on cetain activities ensue that post-tansfe use of the FOST Pacel is consistent with potection of human health and the envionment. 5.1 CERCLA As detailed in the following subsections, ICs will be implemented to pevent exposues to COCs in soil and goundwate on the popety. Legal instuments known as estictive covenants will include land use and activity estictions in the deed between the Navy and the popety ecipient and in Covenants(s) to Restict Use of Popety (CRUP) between the DTSC and the Navy to limit exposue to contaminated soil, and goundwate. The CERCLA ICs will be implemented in accodance with emedial design documents fo CERCLA sites whee the emedy is eithe complete o the emedy is ongoing but has been detemined to be opeating successfully. The following land use and activity estictions wee developed and pesented in RODs and within this FOST fo sites whee the emedy is ongoing but has been detemined to be opeating successfully. 5.1.1 CERCLA Sites with Remedial Action Complete All sites with Response Complete ae unesticted, with the exception of OU-2A. OU-2A equies ICs, including legal contols that minimize the potential fo human exposue to impacted goundwate by esticting its use. The legal contols pohibit use of goundwate. ICs include a estiction on installation of goundwate wells and/o poduction of shallow goundwate (i.e., goundwate pesent above the Yeba Buena Mud). Final FOST fo Fome NAS Alameda 22 TRVT-4408-0001-0057

5.1.2 CERCLA Sites that have an OPS Detemination The subject CERCLA sites ae descibed in Section 4.1 and Section 4.7 and listed in Table 1. These sites ae those fo which an OPS detemination has been made but RAOs have yet to be achieved. The deed will contain the following estictions fo these CERCLA sites: A covenant by the tansfeee on behalf of itself, its successos, and assigns that pohibits any excavation, gading, emoval, tenching, filling, eath movement, mining, o othe distubance of the soil o goundwate, including development at these sites, at o below six inches of the cuent gound suface without a site management plan appoved by the Navy and egulatoy agencies. No land use change will be implemented that substantially inceases isk to human health, the envionment, o wate quality due to esidual contamination without pio consultation with the Navy. No constuction of any kind without witten appoval by the Navy. No distubance of o limitations on access to goundwate wells (Figue 10), o emedial systems The Navy etains the ight to access, and etains eal popety inteests sufficient to install, maintain, opeate, and emove goundwate wells o emedial systems as needed The footpints of the potions of CERCLA sites fo which these estictions apply ae shown in Figue 11. These inteim estictions may be emoved as documented by a ROD o RACR concued with by the US EPA. 5.1.3 Mash Cust The Final Mash Cust RAP/ROD was signed in Febuay 2001 (Navy 2001). The Mash Cust RAP/ROD identifies estictions on excavations within all of the upland FOST Pacel (see Figue 11). Fo the aeas shown on Figue 11, excavation within the Mash Cust and fome subtidal aea is pohibited, unless pope pecautions ae taken to potect woke health and safety and to ensue that excavated mateial is disposed of popely. This pohibition will be implemented with a thee-tieed appoach following tansfe of the land fom the Navy to the City: (1) a land use covenant will be executed between DTSC and the City of Alameda, (2) an Envionmental Restiction will be included in the Deed, and (3) enfocement of the existing City of Alameda Excavation Odinance Numbe 2824 ([City Odinance 2824] Navy 2001). The Navy, City and DTSC will all have enfocement authoity fo the Mash Cust estictions. 5.2 PETROLEUM PRODUCTS AND DERIVATIVES Although the Navy intends to obtain egulatoy closue fo all sites unde the petoleum pogam, the FOST Pacel will likely be tansfeed befoe the Navy obtains egulatoy closue fo some Final FOST fo Fome NAS Alameda 23 TRVT-4408-0001-0057

petoleum sites, and obtaining egulatoy closue, including equied investigation, emediation, and epoting, fo these sites shall emain the Navy s esponsibility afte the tansfe. Tansfe while petoleum emediation is ongoing is allowable unde CERCLA because Section 101(14) excludes cude oil and factions of cude oil, including the hazadous substances such as benzene that ae constituents of those petoleum substances, fom the definition of hazadous substance. The Navy will fulfill its petoleum emediation obligation eithe by completing egulatoy closue unde Navy diection o by negotiating an ageement with the tansfeee to complete these actions on behalf of the Navy. Based on cuent envionmental conditions, some petoleum-impacted aeas of the FOST Pacel cannot suppot unesticted use due to potentially unacceptable human health isk fom esidual petoleum contamination in soil and/o goundwate. In addition, afte popety tansfe the pesence of esidual petoleum in some aeas of the FOST Pacel will equie implementation of pocedues fo pope handling and disposal of any potentially contaminated soil o goundwate encounteed duing constuction o emoval fom the site. Accodingly, land use o activity estictions elating to the pesence of esidual petoleum contamination will be necessay. Fedeal quitclaim deed(s) fo tansfe of popety that include petoleum sites subject to estictions will contain a notice stating that the popety has been investigated and emediated, but contains esidual petoleum contamination, and the popety will be the subject of a ecoded covenant between the City of Alameda and the Wate Boad which identifies the conditions and equiements necessay to potect human health, safety and the envionment ( Covenant ). The Covenant will be executed and ecoded immediately following conveyance of the popety by the Navy to the City of Alameda. A footpint of sites to which the Covenant shall apply shall be identified on a map to be appoved by the Wate Boad and attached to the Covenant. Popety that includes such esticted closed petoleum sites will be enolled in the City of Alameda Land- Use Restiction Tacking and Soil/Goundwate Management Plan Pogam ( City Pogam ). Any wok conducted on the popety that involves soil excavation, tenching, o goundwate contact shall be conducted in accodance with the Covenant and the City Pogam. Fedeal quitclaim deed(s) fo tansfe of popety that include open petoleum sites not subject to estictions will contain a notice saying that the popety has not been emediated to the satisfaction of the Wate Boad, o has not been investigated to the satisfaction of the Wate Boad to detemine whethe coective action is appopiate. The popety will be enolled in the City Pogam discussed above, and any wok conducted on the popety that involves soil excavation, tenching, o goundwate contact shall be conducted pusuant to a soil/goundwate management plan that is acceptable to the Wate Boad, and in accodance with the City Pogam. 5.3 ASBESTOS-CONTAINING MATERIAL The deed will contain a estiction that the tansfeee covenants, on behalf of itself, its successos and assigns, as a covenant unning with the land, that it will pohibit occupancy and use of buildings and stuctues, o potions theeof, containing known asbestos hazads befoe abatement of such hazads. In connection with its use and occupancy of the FOST Pacel, including, but not limited to, demolition of buildings and stuctues containing asbestos o ACM, it will comply with all applicable fedeal, state, and local laws elating to asbestos and ACM. Final FOST fo Fome NAS Alameda 24 TRVT-4408-0001-0057

In the event that fiable, accessible, o damaged asbestos is discoveed by the tansfeee, access, use, o occupancy is pohibited until eithe (1) any necessay ACM abatement has been completed, o (2) the building is demolished by the tansfeee in accodance with all applicable fedeal, state, and local laws and othe equiements elating to asbestos o ACM. Until abatement o demolition is complete, the tansfeee must manage the ACM in accodance with all applicable fedeal, state, and local laws and equiements. 5.4 LEAD-BASED PAINT The deed will contain a estiction that the tansfeee covenants, on behalf of itself, its successos and assigns, as a covenant unning with the land, in its use and occupancy of the popety, including, but not limited to, demolition of buildings, stuctues, and facilities, and identification and evaluation of any LBP hazads, the tansfeee shall be esponsible fo managing LBP and LBP hazads in accodance with applicable fedeal, state, and local laws, and othe equiements elating to LBP and LBP hazads. Futhe, the tansfeee, its successos, and assigns will pohibit esidential occupancy and use of buildings and stuctues, o potions theeof, pio to identification and/o evaluation of any LBP hazads, and abatement of any hazads identified as equied. 6.0 ADJACENT PROPERTIES The CERCLA and Petoleum Pogam sites located immediately adjacent to FOST Pacel that could affect the FOST Pacel ae discussed in this section. Envionmental pogams at fome NAS Alameda have pogessed to the point whee chaacteization of the extent of contamination is geneally complete and the CERCLA and petoleum site boundaies have been established to consevatively encompass all known contamination as well as any anticipated migation. As a esult, these boundaies may be geneally elied upon to detemine if the FOST Pacel is impacted by adjacent sites simply by detemining if the site boundaies ovelap into the FOST Pacel. A eview of CERCLA and Petoleum Pogam sites adjacent to FOST Pacel shows that none of the adjacent sites is a potential souce of contamination to the FOST Pacel, as futhe discussed below. 6.1 ENVIROSTOR AND GEOTRACKER LISTED SITES The DTSC EnvioSto and Wate Boad Geotacke web sites wee eviewed to detemine if adjacent sites exist to the east of the FOST Pacel that could affect the FOST Pacel. No sites ae shown on the EnvioSto site and thee open UST sites ae shown on the Geotacke site. One UST site is the Encinal High School leaking UST (LUST) site. Howeve, it is not expected to impact the FOST Pacel due to its distance fom the FOST Pacel and its status is listed as case closed. Fou open UST sites ae USTs 173-1 though 3 and UST 506-1, and these ae shown as located east of Main Steet; howeve, the location and status in Geotacke ae both incoect. Site closue lettes have been issued by the Wate Boad fo each of these sites and the USTs ae actually located in the FOST Pacel west of Main Steet. Final FOST fo Fome NAS Alameda 25 TRVT-4408-0001-0057

6.2 FORMER NAS ALAMEDA ADJACENT PROPERTY Sites located on fome NAS Alameda that ae situated adjacent to the FOST Pacel and ae undegoing evaluation o emedial action ae discussed and no impact is anticipated to the FOST Pacel fom this adjacent popety, as detailed below. 6.2.1 OU-1 (IR Sites 6 and 16) Thee is a high degee of confidence in the IR Site 6 and 16 boundaies as the sites have pogessed though ROD and have had CERCLA emedies implemented. IR Site 6, Aicaft Intemediate Maintenance Facility, is 5.6 aces in size, located in the mid-easten aea of fome NAS Alameda (Figue 3), and includes Buildings 41, 273, and 501; asphalt; concete; oads; and paking lots. No COCs wee identified fo soil. The selected emedy fo goundwate is ISCO. IR Site 16, Shipping Containe Stoage Aea (CANS), is 11.1 aces in size and is located in the southeasten potion of fome NAS Alameda (Figue 3). IR Site 16 consists mostly of asphalt paved aeas, concete oads, paking lots, and buildings and stoage sheds, with some unpaved open aeas. A potion of IR Site 16 is occupied by a stoage facility, and anothe potion is used as an auto shop. The emedial action fo soil began in Octobe 2009 and was completed in Mach 2010. NFA is equied fo Site 16 soil (URS 2012a). The emedial action fo goundwate in the ROD was teatment to emediation goals with ISCO, MNA, and ICs. ISCO was implemented in May 2010. Plume boundaies fo IR Sites 6 and 16 do not, and ae not, expected to impact the FOST Pacel. 6.2.2 OU-2B (IR Sites 3, 4, 11 and 21) and Petoleum Sites CAA-11B, CAA-4A, CAA-3A, CAA-3C, and CAA-4B Thee is a high degee of confidence in the OU-2B site boundaies as the site has pogessed though RI and FS. The RI included assessment of total petoleum hydocabon (TPH) contamination to soil and goundwate fom Petoleum Sites CAA-11B, CAA-4A, and CAA-4B. As a esult, the site boundaies may be elied upon to detemine if the FOST Pacel is impacted by this adjacent site and those site boundaies do not ovelap into the FOST Pacel. CAA-3C contained aviation gas tanks that wee all cleaned and closed in place, and includes petoleum site CAA-3A. Site CAA-3C is adequately chaacteized and, while additional chaacteization of Site CAA-3A has been ecommended, plume boundaies do not and ae not expected to impact the FOST Pacel. 6.2.3 OU-2C (IR Sites 5, 10, 12) Petoleum Sites CAA-5A and CAA-5B IR Site 5, also known as Building 5 (Aicaft Rewok Facility), is 47 aces in size and is located on the noth side of OU-2C. IR Site 5 is elatively flat and includes seveal buildings, paved paking lots, and oads. Building 5 is the lagest building and coves appoximately 32 pecent of the site. Additional featues associated with IR Site 5 include seveal smalle buildings and paved and unpaved open space, USTs, ASTs, OWSs 005, 006A, 006B, and 615, SWMUs, sanitay sewe lines, stom dain lines, and industial waste lines. IR Site 5 was used fo aicaft, aicaft component epai, and maintenance opeations. Fou CAAs have been identified in IR Final FOST fo Fome NAS Alameda 26 TRVT-4408-0001-0057

Site 5 aound Building 5 unde the Petoleum Pogam: CAA-5B West (south of Building 5); CAA-5A and CAA-B (east of Building 5); and CAA-5B (south of Building 5). VOCs and metals wee identified as COCs in soil. VOCs wee identified as COCs in goundwate at IR Site 5. The pesence of TPH-elated compounds in soil and goundwate that ae not being handled unde CERCLA ae being addessed unde the Petoleum Pogam at IR Site 5. Potentially adiologically impacted stom dain lines unning to the noth and to the east of IR Site 5 ae included in the OU-2C pogam. IR Site 10, also known as Building 400 (Missile Rewok Opeations), is 4 aces in size and is located on the south side of OU-2C. IR Site 10 is elatively flat and is coveed by buildings, paved paking lots, and oads. Building 400 coves appoximately 85 pecent of the site. Building 400 is cuently used as office space and a poduction lot. Because of possible petoleum contamination, a potion of IR Site 10 is designated as CAA-5C (Bechtel 2007). No impacts to the FOST Pacel ae anticipated fom IR Site 10. IR Site 12, also known as Building 10 (Powe Plant), is 2 aces in size and is located on the southwesten cone of OU-2C. IR Site 12 is elatively flat and is coveed by buildings, paved paking lots, and oads. Building 10 occupies appoximately 25 pecent of the site. Ten pecent of IR Site 12 is unpaved; the emaining 70 pecent is paved and consists of oads and paking lots. Fom the late 1930s to the ealy 1970s, Building 10 was used as the powe plant that geneated steam and compessed ai. No action was ecommended at IR Site 12 in the RI epot (Bechtel 2007). No impacts to the FOST Pacel ae anticipated fom IR Site 12. An addendum to the OU-2C FS epot was finalized in Januay 2012 (TtECI 2012a) and supplements the final FS Repot fo OU-2C IR Sites 5 and 10, which was finalized in May 2011 (Battelle 2011c). The Poposed Plan was submitted Octobe 4, 2012 (Navy 2012d). Petoleum Site CAA-5A - the site includes waste oil tanks AST 005G and UST 5-3 and jet fuel tank UST 5-2. No impacts to the FOST Pacel ae anticipated fom CAA-5A. 6.2.4 OU-3 (IR Site 1) IR Site 1, also known as the 1943-1956 Disposal Aea, occupies 36.8 aces. IR Site 1 is located in the nothwesten potion of fome NAS Alameda. Appoximately 15.5 aces of seasonal wetlands wee identified at IR Site 1. IR Site 1 includes fou buildings (111, 133, 339, and 576), pat of fome aicaft unways 7 and 13, a fome pistol ange, a fome pistol and skeet ange, a fome baseball field, a fome aicaft engine and pat stoage aea, thee closed ASTs (AST 466A, 466B, 467A) that stoed diesel and hydaulic fluid, thee catch basins, and seveal stom and sanitay sewe lines. IR Site 1 was pimaily used to dispose of waste, stoe aicaft pats and petoleum, and as a pistol and skeet ange (Navy 2009). A adiological suvey of IR Site 1 in 1998 esulted in the discovey of 335 live, 20-millimete (mm), high-explosive pojectiles and two small ams ounds. In 2007, a TCRA was conducted to emove mateial potentially pesenting an explosive hazad (MPPEH) at a fome Fiing-Range Bem and Debis Pit at IR Site 1 (TtECI 2009). No futue MRP activity, including the imposition of explosive acs, is anticipated that would impact the FOST Pacel. Final FOST fo Fome NAS Alameda 27 TRVT-4408-0001-0057

The final ROD was submitted in Febuay 2009 and includes teatment of goundwate to emediation goals with ISCO, MNA, and long-tem goundwate monitoing to ensue pemanent eduction of COCs. A adiological RD/RAWP was issued in Octobe 2012. A goundwate emedial design implementation plan was issued in Decembe 2011. The goundwate emedial action (ISCO) began in Febuay 2012. A final sampling and analysis plan fo the bun aea focused feasibility study was issued in May 2012 (AMEC Eath and Envionment 2012). Submittal of an IR Site 1 ROD amendment is pending. 6.2.5 OU-4A (IR Site 2) IR Site 2, also known as OU-4A and efeed to as the West Beach Landfill and Wetlands, encompasses 127.1 aces in the fa southwesten potion of fome NAS Alameda. The landfill potion of the site (West Beach Landfill) occupies 77 aces and the wetlands potion of the site (West Beach Wetlands) occupies appoximately 33 aces. IR Site 2 was oiginally constucted in a shallow open wate envionment though dedging and filling. Beginning in 1956, IR Site 2 was epotedly used fo disposal of waste geneated by fome NAS Alameda activities fom the 1950s though 1978. Landfill opeations at IR Site 2 teminated in ealy 1978 (Battelle and BBL 2008). An appoximately 2.5-ace buial site containing MPPEH was located in the southeast cone of the IR Site 2 landfill. The identification of this aea was based on the esults of a geophysical suvey, site histoy, and inteviews conducted with fome NAS Alameda depatmental pesonnel. Repotedly, the MPPEH oiginated fom the Defense Logistics Agency in Alameda. Appoximately fou tuckloads of MPPEH anging in size (fom 4 feet long by 1 foot wide to smalle munitions) wee disposed of at this location in 1976 (SSPORTS 1999). In 2002, a total of 8,675 20-mm soft-steel taget pactice ounds wee identified within 12 inches of the suface at the buial site, and wee emoved in accodance with an emegency emoval action (FWC 2003). Given the implementation of this emoval action and the esults of othe subsequent investigation activities that have not indicated the pesence of MPPEH, the Final FS fo IR Site 2 does not conside MPPEH a significant issue petinent to the oveall isk management famewok fo the site (Battelle and BBL 2008). Based on a human health isk assessment, PAHs, total PCBs, metals, and adionuclides wee identified as pimay human isk dives in soil at IR Site 2 in the landfill aea. Metals, total PCBs, and adionuclides wee identified as pimay human isk dives in soil in the wetland aea, again based on the isk assessment. A TCRA was ecommended to addess adionuclides in suface and subsuface soil at IR Site 2. The pimay human isk dives identified in goundwate wee total PCBs, pesticides, and polychloinated dibenzo-p-dioxins and polychloinated dibenzofuans. Metals, total PCBs, pesticides, and adionuclides wee identified in the ecological isk assessment as pimay ecological isk dives in soil at IR Site 2 in the landfill and the wetland aeas (Battelle and BBL 2008). The TCRA fo adiological mateials at IR Site 2 was completed in July 2008. The final FS epot was submitted in Septembe 2008. The final TCRA completion epot was issued in August 2009. The Navy assessed the potential fo off-site methane migation in Decembe 2008, in the inteest of obtaining the necessay data to suppot the eal estate tansfe. The esults wee Final FOST fo Fome NAS Alameda 28 TRVT-4408-0001-0057

pesented in the daft technical memoandum data gaps investigation esults epot (SulTech 2009). The Poposed Plan was issued in Septembe 2009 and selected a multilaye soil cove, engineeing contols and ICs, and monitoing fo the emedial altenative. The ROD was issued in Octobe 2010. The pe-design field investigation wok plan was issued in Febuay 2011. 6.2.6 OU-4B (IR Sites 17 and 24) OU-4B consists of Site 17 (Seaplane Lagoon) and Site 24 (Pies 1 and 2 Sediments). The Final ROD fo Site 17 was submitted in Novembe 2006. The pefeed altenative fo contaminated sediment at Site 17 is dedging, dewateing, and disposal at a pemitted off-site waste disposal facility. A combined Peliminay RD/RAWP was submitted in Octobe 2007. The Site 17 RD was finalized in July 2008 and the Final RAWP was issued in Januay 2011. Remedial action began in Januay 2011 and is expected to be completed in Decembe 2012. A TCRA was conducted to emove the constuction debis piles located along the nothen shoeline of Site 17 (TtECI 2012b). The Final TCRA Action Memoandum and Wok Plan wee issued in Septembe 2008. TCRA fieldwok stated in Septembe 2008. Afte evaluation of post-dedging data, additional sediment was emoved fom the debis pile aea in May 2011 (Battelle 2012c). The ROD fo Site 24 was issued May 2010 (Navy 2010b) and detailed the selection of the pefeed altenative that includes dedging, dewateing, and disposal of contaminated sediment at a pemitted off-site waste disposal facility. 6.2.7 IR Site 32 (Nothwest Odnance Stoage Aea) and Associated Issues This site was added to the CERCLA pogam in Januay 2003 based on VOCs in goundwate. DTSC accepted the daft final RI epot, with data gaps to be filled duing the RD phase. A final FS was issued in Januay 2008; howeve, a TCRA completed in June of 2008 expanded the investigation of Site 32 outside of the IR site bounday adjacent to the FOST Pacel (TtECI 2009). The investigation of the expanded aea is not complete. The FOST pacel has been changed fom that pesented in the daft FOST to emove those aeas whee the expanded investigation is taking place outside of IR Site 32. The investigation of the expanded aea is not complete. The Investigation of the Site 32 aea indicated that soils at IR Site 32 ae adium-226 impacted. The adium-226 at IR Site 32 is not mobile. 6.2.8 IR Site 33 IR Site 33 is in the site inspection phase of investigation. An expanded site inspection epot was submitted in Januay 2011 and a TCRA wok plan and Final Action Memo have been issued. Removal actions began in the fall of 2012. The pimay contaminants ae PAHs in soil. 6.2.9 IR Site 34 (Fome Nothwest Shop Aea) and Associated Issues This site is a 4.18-ace aea that is a patially paved, elatively flat open space. IR Site 34 was a Naval Ai Rewok Facility used to maintain base equipment, such as scaffolding and othe appaatus. The site was used pimaily fo painting sevices, stoage, wood and metal shops, and sandblasting. IR Site 34 fomely contained seveal stuctues, including 12 buildings (330, 331, 343, 344, 472, 474, 475, 476, 477, 479, 510, and 604) and intevening open aeas; seven ASTs (330A, 330B, 344A, 344B, 344C, 344D, and 331); GAPs 78 and 79; 15 tansfomes; and an aviation gasoline fuel line. All buildings, ASTs, GAPs, tansfomes, and fuel lines wee Final FOST fo Fome NAS Alameda 29 TRVT-4408-0001-0057

emoved between 1996 and 2000, except fo thei concete pads. The ROD fo Site 34 was issued Apil 2011 (Navy 2011c). The ROD documents the pefeed emedial action of excavation, tanspotation, and disposal of chemically impacted soil, and no action fo goundwate. In addition, soil that contains TPH above cleanup standads collocated with CERCLA contaminants would also be excavated and disposed of at an acceptable site. The disposal site will be chosen (including possible locations at Alameda Point) based on the esults fom the waste chaacteization sampling (Navy 2011c). 6.2.10 EDC-12 AOC 1 This site is a fome stoage yad whee asenic and cobalt wee detected above backgound levels and esidential RSLs. Investigation is ongoing, but the site is not expected to impact the FOST pacel because the contaminants ae not consideed mobile. 6.2.11 EDC-12 AOC 6 This site is an aea whee hexavalent chomium was detected in soil samples above backgound levels and esidential RSLs. Investigation is ongoing, but the site is not expected to impact the FOST pacel because the contaminants ae not consideed mobile. 6.2.12 Radiologically Impacted Stom Dain Coidos Radiologically impacted stom dain coidos ae located adjacent to the FOST Pacel and oiginate fom Buildings 5, 10, and 400 noth to the Oakland Inne Habo and south to the Seaplane Lagoon. The FOST Pacel footpint has been established to exclude these dain lines and to allow fo sufficient buffe to exist between the dains and the FOST Pacel including sufficient footpint to allow fo equipment access, laydown aeas, and to ensue that the FOST Pacel is not impacted by any potential elease fom defects in the sewe system along the un of piping. 6.2.13 Radiological Sites Some adiological sites identified in the HRA (Weston 2007) ae located on land adjacent to the FOST Pacel. These sites include Building 5 (RAD 054-2), Building 400 (RAD 052), IR Site 1 (RAD IR1), IR Site 2 (RAD IR2), the RadShack Aea (RAD 006), Seaplane Lagoon (RAD Lagoon), and fome smelte, sanitay, and stom dain systems (RAD SS-F). In addition, the HRA also ecommended a FSS be conducted fo the Seaplane Ramp (RAD 23F) (a potion of which is adjacent to FOST pacel), and Pie 3 (RAD Pie 3). These adjacent sites ae in vaious stages of evaluation and cannot be ecommended fo unesicted elease (any esidual contamination is below today s elease citeia) until the Navy and appopiate egulatoy agencies have eviewed each Final Status Suvey (FSS) epot and ageed with the assessment. The oveall conclusion of the HRA (Weston 2007) is that low levels of adioactive contamination exist within the confines of fome NAS Alameda. The eview of pevious adiological activities, cleanup actions, and elease suveys has not identified any imminent theat o substantial isk to tenants of fome NAS Alameda o the local community. The locations and status of the adiological sites ae shown on Figue 9. Final FOST fo Fome NAS Alameda 30 TRVT-4408-0001-0057

6.2.14 Petoleum Sites Seveal adjacent petoleum sites ae located in poximity to the FOST Pacel and they ae futhe discussed below: AOC 23G The site consists of the aea aound the fome gas station located at the easten end of Runway 25. The site is on popety adjacent to the FOST Pacel assigned to the Depatment of Inteio. The site contamination is beneath a cuent unway and sepaated fom the FOST Pacel by sufficient distance to minimize the potential fo migation of contaminants fom the site to the FOST Pacel. CAA-B The site consists of the aea aound thee east-west, paallel FLs used to tanspot jet fuel, with multiple cossing FLs (about 22,500 feet) that link a seies of fueling pits. The FLs wee abandoned in place in 1998. The site is located both within and adjacent to the FOST Pacel. CAA-3A The site consists of the aea aound Building 398 that was used fo Auxiliay Powe Units, Cooling Ai Tubines, shop, and aicaft engine test cells. It includes USTs 398-1 and 398-2 (sometimes collectively called AOC 398) and associated piping. It also includes Naval Aviation Depot (NADEP) GAP 45, a tubine accessoy shop in Building 398, and M-07, the Building 398 solvent distillation unit. The site also includes ASTs 398-1 though 398-3. The majoity of the site is on adjacent popety, with a small slive extending into the FOST Pacel. None of the tanks was within the FOST Pacel. In 1995 the tanks wee emoved along with potions of the piping, and emaining potions of piping wee plugged. Fee poduct was identified duing tank emoval. Site investigation is ongoing. CAA-3B - The site consists of the aea aound Building 109 and 430 which was a gasoline tuck loading station. Histoical documents suggest an inadvetent elease occued duing fueling. The site has been chaacteized and thee is no souce emaining. The FOST Pacel is not expected to be impacted by any eleases fom the site. CAA-3C The site consists of the aea aound USTs 97-A though -E. The majoity of the site is on adjacent popety, with a small slive extending into the FOST Pacel. None of the tanks was within the FOST Pacel. Leaks wee found in seveal of the tanks in the mid- to late- 1970s. In 1987 the tanks wee emoved, and the FOST Pacel is not expected to be impacted by any eleases fom the site. CAA-6 The site consists of the aea aound Building 373 that was used as a fuel-loading station. It includes USTs 373-1 and 373-2 (sometimes collectively called AOC 373) and OWS 373, all emoved in 1998-1999, and a solvent stoage aea known as GAP 37. DVE and biospaging systems wee installed and opeated between 2002 and 2005. A small potion of the site, but none of the above listed associated featues, is within the FOST Pacel. Petoleum Site CAA-6 ovelaps into the FOST Pacel and equies futhe action fo closue. Theefoe, this site equies estictions as discussed in Section 5.0. CAA-9B The site consists of the aea aound Building 608 that was used as an automobile sevice and epai facility. Waste oil tanks and OWSs within the site footpint ae assigned to Final FOST fo Fome NAS Alameda 31 TRVT-4408-0001-0057

10.0 REFERENCES AMEC Eath and Envionment. 2012. Final Sampling and Analysis Plan (Field Sampling and Quality Assuance Poject Plan) Bun Aea Focused Feasibility Study, IR Site 1, Alameda Point, Alameda, Califonia. May 4. Battelle. 2008. Final Remedial Design and Remedial Action Wok Plan (RD/RAWP), Installation Restoation Site 26, Alameda Point, Alameda, Califonia. Octobe. Battelle. 2009. Final RD/RAWP, IR Site 27, Alameda Point, Alameda, Califonia. June. Battelle. 2010a. Final Technical Memoandum fo Data Gaps Sampling at Vaious Petoleum Sites, Alameda Point, Alameda, Califonia. Septembe. Battelle. 2010b. Technology Tansition Technical Memoandum, IR Site 27, Alameda Point, Alameda, Califonia. Septembe. Battelle. 2010c. Petoleum Management Plan. Novembe 24. Battelle. 2010d. Technology Tansition Technical Memoandum, IR Site 14, Alameda Point, Alameda, Califonia. Decembe 30. Battelle. 2011a. Final Monitoed Natual Attenuation Wok Plan, IR Site 14, Alameda Point, Alameda, Califonia. Mach 14. Battelle. 2011b. Enhanced In-Situ Bioemediation Application Technical Memoandum IR Site IR Site 26, Alameda Point, Alameda, Califonia. July 18. Battelle. 2011c. Final Feasibility Study Repot fo Opeable Unit 2C, IR Sites 5 and 10, Alameda Point, Alameda, Califonia. May 20. Battelle. 2012a. Final Inteim Remedial Action Completion Repot, Installation Restoation Site 28. July 23. Battelle. 2012b. 2012 Update - Petoleum Management Plan. Febuay 28. Battelle. 2012c. Final IR Sites 17 Notheast Remediation Aea Post-Dedge Sediment Confimation Sampling Summay and Data Evaluation, Alameda Point, Alameda, Califonia. Apil 11. Battelle, ARCADIS (BBL), and Neptune & Company. 2007. Final Remedial Investigation Repot fo IR Site 20 (Oakland Inne Habo) and IR Site 24 (Pie Aea), Alameda Point, Alameda, Califonia. August 30. Battelle and BBL. 2008. Final Feasibility Study Repot, IR Site 2, West Beach Landfill and Wetlands, Alameda Point Califonia. Octobe 22. Bechtel Envionmental Incopoated (Bechtel). 2003. Final Remedial Investigation Repot, IR Site 26, Westen Hanga Zone, Alameda Point, Alameda, Califonia. Novembe 17. Final FOST fo Fome NAS Alameda 33 TRVT-4408-0001-0057

Bechtel. 2007. Final Remedial Investigation/Feasibility Study Repot IR Site 35, Aeas of Concen in Tansfe Pacel EDC-5, Alameda Point, Alameda, Califonia Vols. I-V. Apil 25. Califonia Depatment of Toxic Substances Contol (DTSC). 1992a. Fedeal Facility Site Remediation Ageement fo Alameda Point. Septembe 29. DTSC. 1992b. RCRA Facility Assessment, Naval Ai Station, Alameda, Califonia. Apil. DTSC. 1997. Lette Regading Analysis of Compehensive Envionmental Response, Compensation, and Liability Act (CERCLA) Constituent Analysis at Sites Designated Petoleum-Only, Alameda Point, Alameda, Califonia. Fom Daniel E. Muphy, P.E., Chief, Closing Bases Unit, Office of Militay Facilities. To Ms. Shin-Roei Lee, Leade, Depatment of Defense Section, Alameda Bay Wate Boad. June 20. Depatment of Defense (DoD). 1994. Depatment of Defense Policy on the Envionmental Review Pocess to Reach a Finding of Suitability to Tansfe fo Popety Whee Release o Disposal Has Occued. June 1. DoD. 2006. Base Redevelopment and Realignment Manual. Office of the Deputy Unde Secetay of Defense (Installations and Envionment). Mach. Depatment of the Navy (Navy). 1997. Base Realignment and Closue Cleanup Plan fo Alameda Point, Alameda, Califonia. Mach 1. Navy. 2001. Final Remedial Action Plan/Recod of Decision (ROD) fo the Mash Cust at the Fleet And Industial Supply Cente Oakland Alameda Facility/Alameda Annex and fo the Mash Cust and Fome Subtidal Aea at Alameda Point. Febuay. Navy. 2005a. Final Poposed Plan fo Installation Restoation Site 15, a Fome Tansfome Stoage Aea. Septembe 1. Navy. 2005b. Final ROD, Skeet Range IR Site 29, Alameda Point, Alameda, Califonia. Septembe. Navy. 2006a. Final ROD fo Fome Tansfome Stoage Aea, Site 15, Alameda Point, Alameda, Califonia. May 30. Navy. 2006b. Final ROD, Site 26, Alameda Point, Alameda, Califonia. August 23. Navy. 2007a. Final ROD fo Installation Restoation Site 14, Fome Fiefighte Taining Aea, Alameda Point, Alameda, Califonia. Januay 31. Navy. 2007b. Final ROD fo Opeable Unit 1, IR Sites 6, 7, 8, and 16, Alameda Point, Alameda, Califonia. Septembe. Navy. 2007c. Final ROD fo IR Site 28, Todd Shipyads, Alameda Point, Alameda, Califonia. Septembe. Final FOST fo Fome NAS Alameda 34 TRVT-4408-0001-0057

Navy. 2008a. Final ROD fo IR Site 27, Dock Zone, Alameda Point, Alameda, Califonia. Febuay. Navy. 2008b. Final ROD IR Site 20, Alameda Point, Alameda, Califonia. Septembe. Navy. 2008c. Policy fo Pocessing Findings of Suitability to Tansfe o Lease. Decembe 12. Navy. 2009. Final Recod of Decision fo Installation Restoation Site 1, 1943-1956 Disposal Aea, Alameda Point, Alameda, Califonia. Novembe. Navy. 2010a. Final ROD fo IR Site 35 Aeas of Concen in Tansfe Pacel EDC-5, Alameda Point, Alameda, Califonia. Febuay 16. Navy. 2010b. Final ROD IR Site 24, Site 24, Fome Naval Ai Station Alameda, Alameda, Califonia. Mach. Navy. 2011a. Final Poposed Plan fo Opeable Unit 2A Installation Restoation Sites 9, 13, 19, 22 and 23, Fome NAS Alameda, Alameda Califonia. August. Navy. 2011b. Lette to Wate Boad, Poposing Site Closue fo CAA-10, Alameda Point, Alameda, Califonia. August. Navy. 2011c. Lette to Wate Boad, Poposing Site Closue fo CAA-11, Alameda Point, Alameda, Califonia. Octobe. Navy. 2012a. Request fo Goundwate Use Exception Fom Consideation As a Municipal o Domestic Wate Supply in the Southeast Potion of the Fome Naval Ai Station Alameda Point, Alameda, Califonia. August 6. Navy. 2012b. Final ROD OU-2A, Sites 9, 13, 19, 22, and 23 Alameda Point, Alameda, Califonia. Septembe 24. Navy. 2012c. Poposed Plan fo Opeable Unit 2C, Installation Restoation Sites 5, 10, and 12, fome NAS Alameda. Septembe. Navy and Alameda Reuse and Redevelopment Authoity (ARRA). 1997. Depatment of the Navy (Navy) enteed into a Lage Pacel Lease (LPL) with the fome Alameda Reuse and Redevelopment Authoity (ARRA) to allow the City of Alameda to lease vaious popety and buildings pio to tansfe. Mach 24. Navy and ARRA. 2000a. Lease in Futheance of Conveyance Between the United States of Ameica and the Alameda Reuse and Redevelopment Authoity fo the Fome Naval Ai Station Alameda. June 6 (amended Novembe 28, 2000 Mach 30, 2009 and August 23, 2012). Navy and ARRA. 2000b. Memoandum of Ageement Between the United States of Ameica Acting by and though the Secetay of the Navy United States Depatment of the Navy and the Alameda Reuse and Redevelopment Authoity fo Conveyance of Potions of the Naval Ai Station Alameda fom the United States of Ameica to the Alameda Reuse and Development Authoity. June 6 (amended July 31 and Januay 13, 2012). Final FOST fo Fome NAS Alameda 35 TRVT-4408-0001-0057

Ecology and Envionment. 1983. Initial Assessment Study of Naval Ai Station Alameda. Apil. Engineeing Field Activity West Naval Facilities Engineeing Command (EFA-West). 1999. Final Envionmental Impact Statement fo the Disposal and Reuse of NAS Alameda and the FISC, Alameda Annex, and Facility, Alameda, Califonia. Octobe. ERM-West Inc. (ERM-West). 1994. Basewide Envionmental Baseline Suvey Repot fo Alameda Point, Alameda, Califonia. May 19. Foste Wheele Copoation (FWC). 2003. Daft Final Odnance and Explosives Waste/Geotechnical Chaacteization Repot, Alameda Point, Alameda, Califonia. Octobe 29. Oneida Total Integated Entepises (OTIE). 2011. Final Feasibility Study Repot Opeable Unit 2A, Sites 9, 13, 19, 22 and 23, Alameda Point, Alameda, Califonia. June 15. OTIE. 2012. Final RACR Site 35 Soil, Alameda Point, Alameda, Califonia. August 15. Peal Habo Naval Shipyad (PHNSY). 2000. Histoical Radiological Assessment, Naval Ai Station Alameda, Volume I, Naval Nuclea Populsion Pogam, 1966-1997. Apil. Regional Wate Quality Contol Boad (Wate Boad). 2007. No Futhe Action and Site Summay fo the Fuel Line Coective Action Aea A (CAA-A), Alameda Point, Alameda County. Novembe 28. Wate Boad. 2011. Unifom Case Closue Lette, Undegound Stoage Tank (UST) 357 FS-1, Alameda Naval Ai Station, Alameda County, Wate Boad Case No. 01D9046. July 22. Wate Boad. 2012a. Concuence with Request fo Beneficial Use Exception fo Shallow Goundwate at Southeast Potion of the Fome NAS Alameda, Alameda Point, Alameda County. Septembe 13. Wate Boad. 2012b. No Futhe Action fo Oil Wate Sepaato (OWS) 038, Alameda Naval Ai Station, Alameda, Alameda County. May 11. Shaw Envionmental and Infastuctue (E & I). 2011. Final Petoleum Coective Action Summay Repot, Coective Action Aea 13, Building 397 Alameda Point, Alameda, Califonia. St. Geoge Chadux Consulting and Teta Tech EM Inc (ChaduxTt). 2011. Final Radiological Closue Repot Building 7, Alameda Point, Alameda, Califonia. August 3, 2011. ChaduxTt. 2012a. Final Status Suvey Repot, Building 66, Alameda Point, Alameda, Califonia. Septembe 14. ChaduxTt. 2012b. Final Scoping Suvey Repot, Fome Smelte Aea, Alameda Point, Alameda, Califonia. Revised August 31. Final FOST fo Fome NAS Alameda 36 TRVT-4408-0001-0057

ChaduxTt. 2013. Final Status Suvey Repot, Building 114 Coutyad, Alameda Point, Alameda, Califonia. Apil 5. PRC Envionmental Management, Inc. (PREMI). 1998. Final Radiation Suvey Repot, Naval Ai Station, Alameda, Califonia, Volume I. Januay. Sullivan Consulting Goup and Teta Tech EM Inc (SulTech). 2005a. Final Remedial Investigation Repot, Sites 9, 13, 19, 22, and 23, Opeable Unit 2A (OU-2A), Alameda Point, Alameda, Califonia. Apil 1. SulTech. 2005b. Daft Feasibility Study Repot fo Opeable Unit (OU) 2A Sites 9, 13, 19, 22, and 23, Alameda Point, Alameda, Califonia. Septembe 30. SulTech. 2007b. Compendium of SWMU Evaluation Repots. June 22. SulTech. 2009. Daft Technical Memoandum Data Gaps Investigation Results, Installation Restoation Sites 2, 4, 34, and 35, Alameda Point, Alameda, Califonia. Febuay. Supeviso of Shipbuilding, Convesion and Repai, Potsmouth, Viginia (SSPORTS). 1999. Unexploded Odnance Site Investigation Final Summay Repot, Final. Vallejo, Califonia. Teta Tech EC Inc (TtECI). 2009. Final Time-Citical Removal Action, Post-Constuction Repot, Installation Restoation Sites 1, 2, and 32, Fome NAS Alameda, Alameda Point, Alameda, Califonia, DCN: ECSD-2201-0028-0009. August 31. TtECI. 2011. Final Time-Citical Removal Action Completion, IR Sites 5 and 10, Buildings 5 and 400, Stom Dain Line Removal, Alameda Point, Alameda, Califonia. Septembe. TtECI. 2012a. Final Addendum 1 to the Feasibility Study Repot fo Opeable Unit 2C, IR Sites 5 and 10, Alameda, Califonia. Januay. TtECI. 2012b. Final Addendum 1 to the Completion Repot fo Time-Citical Removal Action, Installation Restoation Site 17, Constuction Debis Piles, Alameda Point, Alameda, Califonia. Octobe. Teta Tech EM Inc. (Teta Tech). 1999. Final OU-3 Remedial Investigation Repot, Alameda Point, Alameda, Califonia. August 9. Teta Tech. 2003a. Final Supplemental Envionmental Baseline Suvey, Alameda Point, Alameda, Califonia. Mach 7. Teta Tech. 2003b. Final RI Repot fo Sites 14 and 15, Alameda Point, Alameda, Califonia. June 6. Teta Tech. 2004. Final RI Repot, Sites 6, 7, 8, and 16, Alameda Point, Alameda, Califonia. Novembe 18. URS. 2012a. Final RACR, Opeable Unit 1, IR Site 16 Soil, Alameda Point, Alameda, Califonia. Pepaed fo Base Realignment and Closue Pogam, Management Office West. July. Final FOST fo Fome NAS Alameda 37 TRVT-4408-0001-0057

URS. 2012b. Final Soil RACR IR Site 8, Alameda Point, Alameda, Califonia. Septembe. URS. 2013. Final Soil RACR IR Site 7, Alameda Point, Alameda, Califonia. Apil 9. U.S. Envionmental Potection Agency (EPA). 2012a. Site 14 Opeating Popely and Successfully (OPS) detemination fo goundwate at Site 14, Alameda Point, Alameda, Califonia. July 27. U.S. EPA. 2012b. Site 26 OPS detemination fo goundwate at Alameda Point, Alameda, Califonia. July 27. U.S. EPA. 2012c. Concuence with Request fo Beneficial Use Exception fo Shallow Goundwate at Southeast Potion of the Fome NAS Alameda, Alameda Point, Alameda County. Septembe 28. U.S. EPA. 2012d. Site 27 OPS detemination fo goundwate Alameda Point, Alameda, Califonia. August 15. U.S. EPA. 2012e. Site 28 OPS detemination fo goundwate at Site 28 Alameda Point, Alameda, Califonia. August 6. U.S. EPA. 2012f. Concuence with IR Site 35, AOCs 3, 10 and 12 RACR. August 27. Weston Solutions, Inc. (Weston). 2007. Final Histoical Radiological Assessment Volume II, Alameda Naval Ai Station, Use of Geneal Radioactive Mateials, 1941-2005. June. Final FOST fo Fome NAS Alameda 38 TRVT-4408-0001-0057

TABLE REFERENCES Battelle. 2005. "Final ROD, Skeet Range, Alameda Point, Alameda, Califonia." Septembe. Bechtel. 2005. "Final Site Inspection Repot Tansfe Pacel EDC-5." Mach 2005. Bechtel. 2007a. "Final Remedial Investigation / Feasibility Study Repot IR Site 35, Aeas of Concen in Tansfe Pacel EDC-5." Apil 25. Bechtel. 2007e. "Final Site Inspection Repot Tansfe Pacel EDC-12." Octobe. St. Geoge Chadux Consulting and Teta Tech EM Inc (ChaduxTt). 2011. Final Radiological Closue Repot Building 7, Alameda Point, Alameda, Califonia. August 3, 2011. ChaduxTt. 2012a. Final Status Suvey Repot, Building 66, Alameda Point, Alameda, Califonia. Septembe 14. ChaduxTt. 2012b. Final Scoping Suvey Repot, Fome Smelte Aea, Alameda Point, Alameda, Califonia. Revised August 31. ChaduxTt. 2013. Final Status Suvey Repot, Building 114 Coutyad, Alameda Point, Alameda, Califonia. Apil 5. DTSC. 1995. "Pemit Modification fo Industial Teatment Plans (IWTPs) 5, 24, 25, 32 and Stuctue 598." Sept 26. DTSC. 1998a. Acceptance of Closue Cetification Repot fo Building 24 Industial Wastewate Teatment Plant (IWTP), Naval Ai Station Alameda, Alameda, CA EPA ID No. CA2170023236. Januay 21. DTSC. 1998b. Closue Repot fo Building 410 Industial Wastewate Teatment Plant (IWTP). Novembe 9. DTSC. 1999a. Acceptance of Closue Cetification Repot fo Yad D-13, Fome Inteim Status Hazadous Waste Stoage Facility, Naval Ai Station Alameda, Alameda, CA EPA ID No. CA2170023236. July 12. DTSC. 1999c. Review of RCRA Status fo Envionmental Baseline Suvey at Alameda Point, Alameda, Califonia. Novembe 4. DTSC. 2000a. Acceptance of Closue Cetification Repot fo Building 13, Flammable Waste Stoage Facility, Naval Ai Station Alameda, Alameda, CA EPA ID No. CA2170023236. Febuay 3. DTSC. 2000b. Acceptance of Closue Cetification Repots and Activities fo All Regulated Units in Building 13, Naval Ai Station Alameda, Alameda, CA EPA ID No. CA2170023236. May 4. DTSC. 2005e. Lette Poviding DTSC Comments on the Daft OU-1 Sites 6, 7, 8 and 16 Poposed Plan. Fom DTSC. To Thomas Macchiaella BRAC Envionmental Coodinato BRAC Management Office West. Decembe 29. Final FOST fo Fome NAS Alameda 39 TRVT-4408-0001-0057

DTSC. 2006a. Lette egading the closue of ITWP 25 [title unknown]. Januay 25. DTSC. 2006b. Lette Regading the Daft Recod of Decision fo Site 26, Alameda Point, Alameda, Califonia. Fom DTSC. To BRAC Envionmental Coodinato, Base Realignment and Closue Pogam Management Office West. Mach 29. EPA. 2012. "Final RACR, IR Site 35, Alameda Point, Alameda, Califonia." August 27. Navy. 2008. Final Recod of Decision IR Site 20, Oakland Inne Habo. Octobe. Navy. 2010. "Final Recod of Decision, IR Site 35, Alameda Point." Febuay. PRC Envionmental Management, Inc. (PREMI). 1998. Final Radiation Suvey Repot, Naval Ai Station, Alameda, Califonia, Volume I. Januay. TtECI. 2011. Final Time-Citical Removal Action Completion, IR Sites 5 and 10, Buildings 5 and 400, Stom Dain Line Removal, Alameda Point, Alameda, Califonia. Septembe. Wate Boad. 2001b. Case Closue, UST Nos. 13-1 though 5; 392-1; and 411-1; Alameda Point, Alameda, Califonia. Septembe 20. Wate Boad. 2003a. "Concuence with 'Completion Repot Undegound Fuel Line Abandonment Alameda Point, Alameda, Califonia' Dated August 27, 2002" (includes fuel lines, UST 7-1, and AST 499). Apil 9. Wate Boad. 2005. Case Closue Lette fo Undegound Stoage Tank 1-1 Fome Alameda Naval Ai Station, Alameda, Alameda County (Wate Boad Case No. 01D9025). Fom Wate Boad. To BRAC Pogam Management Office West. Decembe 22. Wate Boad. 2006a. Case Closue Lette fo Undegound Stoage Tank 340-1 Fome Alameda Naval Ai Station, Alameda, Alameda County (Wate Boad Case No. 01D9026). Fom Wate Boad. To BRAC Pogam Management Office West. Januay 5. Wate Boad. 2006b. Case Closue Lette fo Undegound Stoage Tank 374P-1 Fome Alameda Naval Ai Station, Alameda, Alameda County (Wate Boad Case No. 01D9013). Fom Wate Boad. To BRAC Pogam Management Office West. Januay 5. Wate Boad. 2006c. Case Closue Lette fo Undegound Stoage Tanks 271-AV1 and 271- AV2 Fome Alameda Naval Ai Station, Alameda, Alameda County (Wate Boad Case No. 01D9012). Fom Wate Boad. To BRAC Pogam Management Office West. Januay 6. Wate Boad. 2006e. Case Closue Lette fo Below Listed Undegound Stoage Tanks Fome Alameda Naval Ai Station, Alameda, Alameda County: USTs 10-1&10-2; 10-3; 10-4&10-5; 10-6; 40-1; 62-1; and 117-1. Apil 4. Wate Boad. 2007. "No Futhe Action and Site Summay fo the Fuel Line Coective Action Aea A (CAA-A), Alameda Point, Alameda County." Novembe 28. Wate Boad. 2009c. "Tansmittal of Closue Lette and Site Summay fo Undegound Stoage Tanks USTs 374-1 & 2, Alameda Point, Alameda County." Octobe 20. Final FOST fo Fome NAS Alameda 40 TRVT-4408-0001-0057

Wate Boad. 2010. "Tansmittal of Closue Lette and Site Closue Summay fo UST 393, Alameda Point, Alameda County." July 13. Wate Boad. 2011. "Unifom Case Closue Lette, Undegound Stoage Tank (UST) 357 FS-1, Alameda Naval Ai Station, Alameda County, Wate Boad Case No. 01D9046." July 22. Wate Boad. 2012c. "No Futhe Action fo AST179, Alameda Naval Ai Station, Alameda, Alameda County." August 27. Wate Boad. 2012f. "No Futhe Action fo UST 491-1 and ASTs 019A, 019B, and 019C, Coective Action Aea 10, Alameda Naval Ai Station, Alameda, Alameda County." Novembe 5. Wate Boad. 2012g. "No Futhe Action fo Aea of Concen (AOC) 23, Alameda Naval Ai Station, Alameda, Alameda County." Novembe 30. Wate Boad. 2013. "No Futhe Action fo AST No. 392, Fome Alameda Naval Ai Station, Alameda County." Januay 17. Weston Solutions, Inc. (Weston). 2007. Final Histoical Radiological Assessment Volume II, Alameda Naval Ai Station, Use of Geneal Radioactive Mateials, 1941-2005. June. SulTech. 2006a. Final Recod of Decision, Fome Tansfome Stoage Aea, Site 15, Alameda Point, Califonia." June 21. SulTech. 2006b. "Final OU-6 IR Site 26 Final ROD." August 23. SulTech. 2007c. "Final Recod of Decision fo Opeable Unit 1 Installation Restoation Sites 6, 7, 8, and 16." Septembe. URS. 2010. "Final Remedial Action Wok Plan, Opeable Unit 1, IR Sites 6, 7, 8, and 16." Mach. URS. 2012. Final RACR, Opeable Unit 1, IR Site 8, Alameda Point, Alameda, Califonia. Pepaed fo Naval Facilities Engineeing Southwest. Apil. Final FOST fo Fome NAS Alameda 41 TRVT-4408-0001-0057

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FIGURES

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Napa County Sonoma 101 County Solano County Rive a Nap UV 29 UV 37 Vallejo 680 Suisun Bay San Pablo Bay Main County Caquinez Caquinez Stait Stait 780 R Sacamento iv e San Rafael 80 580 Conta Costa County Concod 680 Pacific Ocean San Fancisco County UV1 San Fancisco 280 San Fancisco Bay Oakland Alameda Point Alameda County Alameda 580 880 San Mateo County 2.5 0 2.5 5 Miles Fome Naval Ai Station Alameda Intestate County Bounday Highway Uban Aea* Majo Road Note: * Dake shading indicates geate population density Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 1 Site Location Map 2013-02-05 V:\Alameda\Pojects\059_FOST2012\01_Vicinity.mxd TtEMI-AL simon.cadinale Alameda 2013 Finding of Suitability to Tansfe

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OAKLAND INNER HARBOR IR Sites 1 / 32 IR Site 34 DOI PBC (PBC-1) NAS Alameda (east of Main Steet) FOST Pacel Bounday Popety Retained by the United States OU-2C (IR Sites 5, 10, 12) / Building 5 Upland Potions of FOST Pacel Submeged Potions of FOST Pacel Popety Retained by the United States IR Site 6 Peviously Tansfeed Popety Popety Retained by the United States Road o Aifield Building Wetland Wate OU-2B (IR Sites 3, 4, 11, 21) SEAPLANE LAGOON IR Sites 17 / 24 EDC-12 AOC6 EDC-12 AOC1 IR Site 16 Notes: AOC DOI EDC FOST IR NAS OU PBC TERM Aea of Concen Depatment of Inteio Economic Development Conveyance Finding of Suitability to Tansfe Installation Restoation Naval Ai Station Opeable Unit Public Benefit Conveyance Tem Lease (fome leasehold eveted to the City of Alameda in 2000) 600 0 600 1,200 Feet TERM-1 SAN FRANCISCO BAY Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 2 FOST Pacel 2013-04-19 V:\Alameda\Pojects\059_FOST2012\02_FOST_Pacel.mxd TtEMI-AL simon.cadinale Alameda 2013 Finding of Suitability to Tansfe

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OAKLAND INNER HARBOR 1 29 32 14 34 15 20 28 35 35 35 35 26 35 5 8 35 35 35 35 35 Opeable Unit 1 4a 2a 4b 2b 4c 2c 6 3 2 10 12 35 35 6 35 35 7 FOST Pacel Bounday Installation Restoation (IR) Site 33 35 SEAPLANE LAGOON 17 AOC 1 21 11 3 35 4 19 22 CERCLA Pogam Aea of Concen Road o Aifield Wetland Building Wate 27 13 SAN FRANCISCO BAY INSTALLATION RESTORATION SITE DESCRIPTION 24 AOC 6 9 23 16 Notes: CERCLA Compehensive Envionmental Response, Compensation, and Liability Act FOST Finding of Suitability to Tansfe 1 1943-1956 Disposal Aea 2 West Beach Landfill and Wetlands 3 Abandoned Fuel Stoage Aea 4 Building 360 (Aicaft Engine Facility) 5 Building 5 (Aicaft Rewok Facility) 6 Building 41 (Aicaft Intemediate Maintenance Facility) 7 Building 459 (Navy Exchange Sevice Station) 8 Building 114 (Pesticide Stoage Aea) 9 Building 410 (Paint Stipping Facility) 10 Building 400 (Missile Rewok Opeations) 11 Building 14 (Engine Test Cell) 12 Building 10 (Powe Plant) 13 Fome Oil Refiney 14 Fome Fie Taining Aea 15 Buildings 301 and 389 (Fome Tansfome Stoage Aea) 16 C-2 CANS Aea (Shipping Containe Stoage) 17 Seaplane Lagoon 2013-04-19 V:\Alameda\Pojects\059_FOST2012\03_OUs_IRs_TasfePacels.mxd TtEMI-AL simon.cadinale 19 Yad D-13 (Hazadous Waste Stoage) 20 Oakland Inne Habo 21 Building 162 (Ship Fitting and Engine Repai) 22 Building 547 (Fome Sevice Station 23 Building 530 (Missile Rewok Opeations) 24 Pies 1 and 2 Sediments 25 Fome Noth Village Housing and Estuay Pak 26 Westen Hanga Zone 27 Dock Zone 28 Todd Shipyad 29 Skeet Range 30 Mille School 31 Maina Village Housing 32 Nothwesten Odnance Stoage Aea 33 South Tamac and Runway Wetlands 34 Fome Nothwest Shop Aea 35 Aeas of Concen in Tansfe Pacel EDC-5 600 0 600 1,200 Feet Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 3 Opeable Units and Installation Restoation Sites Alameda 2013 Finding of Suitability to Tansfe

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1 2 5B 5A 6 7 5 5D 5E 8A 5D CAA-1 5C SAN FRANCISCO BAY 8 5D 9 11 OAKLAND INNER HARBOR 10 14 CAA-2 12A 12 16A 15 16B 13 16 12B 3 17A 17 18 18A 23A 23D 23H 23 24 4 CAA-14 19 21 20 22 22A 23B AOC 23G CAA-A 215 23G 61 61A 62 62A 194 182 39 101 94 91 92 93 96 97 CAA-6 63 95 35 40 90 89 88 192 41 42 84 36 64 86 98 99 44 85 87 34 187 180 43 191 83 207 45 45A 213 80 212 33 65 82 81 100 32 188 46 CAA-8 47 59 66 189 CAA-5A 190 75 77 78 79 104 CAA-C 48 102 204A 76 106 105 31 190A 54 67 74 68 73 108 208 190 107 203 204 30A 103 112 49 55 58 186 30 185 69 206 CAA-7 50A 56 109 113 114 57 CAA-5B West 51A CAA-5B 193 50 110 111 119 197 53A 23E 51 52 53 196 70 195 71A 71 AOC 23 118 29 51B 121 116 123 115 72 124 CAA-10 29A CAA-5C 120 122 117 50B 126 23F 128 129 CAA-3B 23C 125 130 205 CAA-B 127 209 131 27A 28 CAA-3A 136 135 133 132 28A 200 155A 137 134A CAA-3C CAA-11A 27 140A 138A 164A143 144 CAA-4A SEAPLANE LAGOON 155C 138 CAA-4B CAA-11B 26 164 142 145 25 26A 138B 134 146 156 157 140 155B 139 141 147 CAA-12 139A 210 158 153A 201 154 152 148 155 IR 09 FP1/2 153 EDC-12 AOC5 159 199 150 150B 160 202 151 CAA-13 214 211 150A 149 CAA-4C CAA-9B 1 1 Notes: AOC CAA FOST IR NFA FOST Pacel Bounday Coective Action Aea 24 NFA without Restictions NFA with Restictions Open Envionmental Baseline Suvey Pacel Road o Aifield Building Aea of concen Coective Action Aea Finding of Suitability to Tansfe Installation Restoation No futhe action Wetland Wate 155 CAA-9A 163 165 167 166 168 169 EDC-12 AOC3 600 0 600 1,200 Feet 2013-04-19 V:\Alameda\Pojects\059_FOST2012\04_TPH_CAAs.mxd TtEMI-AL simon.cadinale Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 4 Total Petoleum Hydocabons Coective Action Aeas and Aeas of Concen Alameda 2013 Finding of Suitability to Tansfe

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OAKLAND INNER HARBOR FL-016B FL-016 FL-018 FL-018A FL-023D FL-023H FL-023G FL-037 SAN FRANCISCO BAY FL-023 FL-023E FL-035 FL-192 FL-034 FL-191 FL-033 FL-032 FL-190 FL-031 FL-050 FL-050B FL-023C FL-054 FL-048 FL-068 FL-073 FL-106 FL-049 FL-074 FL-107 FL-195 FL-109 FL-070 FL-071A FL-051 FL-071 FL-051B FL-126 FL-127 FL-128 FL-131 FL-125 FL-200 FL-205 FL-023F FL-155A FL-134A FL-136 FL-138A FL-137 SEAPLANE LAGOON FL-155C FL-142 FL-139 FL-147 FL-139A FL-157 FL-140A FL-158 FL-140 FL-155 FL-138 FL-155B FL-154 FL-155D FL-202 FL-150 FL-145 Fuel Line Site Status (Colo) Notes: * FOST NFA NFA without Restictions NFA with Restictions Open See Associated Site Fuel Line Physical Disposition (Line Type) Closed-in-Place* Removed FOST Pacel Bounday Upland Potions of FOST Pacel Submeged Potions of FOST Pacel Road o Aifield Building Wetland Wate "Closed in place" indicates lines emoved fom sevice but emain on the popety Finding of Suitability to Tansfe No Futhe Action FL-161 FL-198 FL-162 FL-165 FL-163A FL-163 600 0 600 1,200 Feet Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 5 Undegound Fuel Line Status 2013-04-19 V:\Alameda\Pojects\059_FOST2012\05_FuelLines.mxd TtEMI-AL simon.cadinale Alameda 2013 Finding of Suitability to Tansfe

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AST 344B 5D 10 AST 179 AST 344D 14 AST 330A AST 330B 5E 9 11 AST 344A AST 344C 8A 1 AST 357A 12A AST 331 "!") 4 AST 345B 5D AST 357B "! 16A "! 5A 12 15 16B 16 AST 345C 13 "!"! "! "! "! "!"! "!"!"! AST 345A 8 18 21 "! 3 17A 19 20 22 22A AST 466A 12B 17 18A 23B 2 AST 466B "! AST 528 23A 23D "! 5D AST 511B AST P20 215 23H "! 23G 61 61A 62 62A 182 "! AST 485A 194 "! 39 AST 511A 101 94 AST 176 AST 467A "! 91 "! 92 93 96 97 "! AST 485B 95 "! AST 467B 63 "! AST 496 35 40 5 90 89 88 192 41 42 AST 021A 84 36 99 64 86 98 ") 44 85 87 34 187 AST 016 180 "! 5B 6 5C AST 021B 43 191 207 83"! 45A 213 45 80 212 33 65 82 81 100 "! AST 488 32 AST 405A 188 46 IWTP 32 AST 005E AST 392 47 59 ") 66 189 77 78 79 "! 104 "! AST 540 AST 005F AST 152 190 75 48 102 204A AST 032 76 "! 106 105 31 54 67 AST 483B 190A "! 74 73 108 IWTP 24 208 190 "! 68 107 203 23 204 30A AST 405B AST 483A "!"! AST 008 103 AST 024A "! 112 49 AST 005H ") 58 186 AST 499 AST 024B 55 "! 30 ") 56 "! 185 AST 091B 206 "! "!"!"!"!"!"!"! 69 ")") 109 113 114 7 AST 024C 50A 51A 57 AST 091A AST 407A ")") AST 024D ") AST 261 AST 407B AST 024E 193 50 110 111 119 197 53A AST 495A "! AST 019A 52 23E 51 196 53 118 70 195 71 "! 24 71A AST 495B 29 AST 019B 51B 121 116 "! AST 039 115 "!"!"! 124 123 72 AST 173A AST 019C 29A 120 IWTP 5 122 117 AST 173B 50B AST 012 AST 014A 126 "!"!"! 23F 128 129 AST 173C 23C AST 014C 125 130 AST 623B 205 127 209 AST 623G AST 113 131 AST 599B "! AST 623C 27A 28 AST 014B 136 135 IWTP 360 133 132 28A AST 360A AST 623D ")")") "! "! AST 014D "! 200 AST 599A AST 623F "! AST 037A "!"!"! AST 360B AST 623A 134A ")") "! 155A 137 AST 623I ") AST 037B ") AST 360C AST 623E AST 623H AST 037C AST 360E 27 AST 494 140A 138A "!"!"!"! 164A143 AST 037D 144 IWTP 25 "! "! SEAPLANE LAGOON AST 598A 155C 138 "! AST 360D AST 598B AST 372 26 AST 598C 164 142 145 25 26A 138B 134 146 AST 324 AST 005D "! AST 029 156 157 140 AST 325 "! "! 155B 139 147 "! AST 326 AST 005A 74 141 54 AST 038 AST 015 "! AST 005B ") "! AST 327 68 AST 015-2 139A IWTP 410 210 "! AST 328 AST 005C 214 AST 005G 158 153A ") AST 530A 201 154 152 148 AST 530B AST 410A 211 AST 530C AST 410B 58 "!"! "! 155 AST 410C 153 SAN ") AST 338-A1 AST 500 BOWTS 150 150B 150A FRANCISCO 186 159 199 AST 338-D4 AST 620 "! BAY AST 010L AST 010K 185 160 AST 584 ") 202 151 "! 149 155 "! AST 608 "! 163 "! AST 010D "! 165 167 168 AST 010J AST 010I AST 010B 56 AST 010G 166 169 AST 010A 69 "! AST 342A AST 342C "! "!"! "! "! "!"! "! AST 010C "! 57 AST 342B AST 010H AST 010E AST 010F 2013-04-19 V:\Alameda\Pojects\059_FOST2012\06_ASTs.mxd TtEMI-AL simon.cadinale OAKLAND INNER HARBOR ") RCRA, NFA ") RCRA, NA CERCLA, See Associated Site CERCLA, NFA "! Petoleum, Open "! Petoleum, See Associated Site "! Petoleum, NFA without Restictions "! Petoleum, NFA with Restictions 24 Notes: CERCLA FOST NA NFA RCRA Envionmental Baseline Suvey Pacel FOST Pacel Bounday Upland Potions of FOST Pacel Submeged Potions of FOST Pacel Road o Aifield Building Wetland Wate Compehensive Envionmental Response, Compensation, and Liability Act Finding of Suitability to Tansfe Not Applicable (Compessed Gas) No Futhe Action Resouce Consevation and Recovey Act 500 0 500 1,000 Feet Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 6 Abovegound Stoage Tank Status Alameda 2013 Finding of Suitability to Tansfe

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1 2 5B $# UST 14-5 UST 594-1 UST 594-2 5A 137 $# UST 14-4 $# $# $# $# 6 $# 7 5 5E $# 8A 2013-04-19 V:\Alameda\Pojects\059_FOST2012\07_USTs.mxd TtEMI-AL simon.cadinale 5D 5D 5C UST 442-1 UST 37-22 $# $# UST 37-24 UST 37-21 $# $# UST 37-23 138 SAN FRANCISCO UST 37-5 BAY UST 37-7 UST 37-8 UST 37-9 UST 37-10 UST 37-11 UST 37-12 UST 37-20 UST 37-19 UST 37-18 UST 37-17 $# $# $# $# UST 14-2 UST 14-1 UST 37-6 $# $# $# $# 139 8 $#$#$# $# 138A OAKLAND INNER HARBOR 10 14 UST 357 FS-1 9 11 UST 374-1 $# 12A UST 374P-1 5D 4 16A 16B 12 15 $# 16 13 $# $# 18 19 21 $# 12B 3 17A 17 20 18A 22 $# UST 420-1 23A 23D UST 473-1 UST 374-2 23H UST 14-3 UST 14-6 $# $# $# $# UST 37-4 140 UST 37-1 UST 37-2 UST 37-3 140A 134A 164A 164 23 $# 24 22A 23B 215 23G 61 61A 62 62A 194 182 39 101 94 91 92 93 96 97 63 95 35 40 90 89 88 192 41 42 84 36 64 98 99 86 44 85 87 187 UST 2-1 34 UST 1-1 43 UST 7-1 191 207 83 45A 213 45 $# 80 212 33 $# $# UST 5-3 65 82 81 32 188 100 46 UST 62-1 UST 6-2 UST 392-1 UST 506-1 UST 5-1 59 66 UST 6-1 47 189 UST 5-2 77 78 79 $# 104 $# 75 UST 459-8 190 48 76 102 204A UST 282-2 106 105 UST 459-7 31 $# 190A 54 67 UST 282-1 UST 271 AV 1 UST 459-3 $# 74 73 108 208 190 68 $# $#$# 107 203 204 30A UST 10-3 UST 271 AV 2 UST 459-2 103 49 UST 400 112 58 186$#$# UST 10-4 UST 459-4 UST 614-1 55 UST 411-1 $#$#$#$# $#$# $# $#$# UST 459-1 30 50A 185 206 56 $#$# $# ") $# 69 109 113 57 UST 393-1 114 UST 459-6 51A UST 10-1 UST 13-2 UST 117-1 $# UST 10-2 UST 13-1 UST 459-5 193 50 110 111 119 197 53A 52 UST 10-5 23E 51 196 53 70 195 71A 71 $# 118 $# UST 173-1 $# 29 51B $# $# 121 116 UST 173-2 UST 491-1 $# $# $# 123 115 72 $#$#$#$#$# 124 UST 173-3 29A UST 261-3 UST 398-2120 122 117 50B UST 261-1 UST 40-1 126 UST 398-1 $#$#$# UST 97-D 23F $#$# 128 129 23C UST 261-2 UST 10-6 125 $# $# $# 130 UST 97-E 205 UST 39-1 127 $# 209 UST 97-C UST 13-3 $# 131 UST 97-B $#$# 27A 28 UST 615-2 UST 615-4 UST 13-4 136 135 133 132 28A UST 97-A UST 615-1 UST 615-3 UST 13-5 200 155A 137 134A UST 162-1 $# $# $# UST 162-2 $#$#$#$# 27 140A $#$#$#$# 138A $# 164A143 144 UST 163-1 $#$# $#$#$# $# $#$# SEAPLANE LAGOON 155C 138 UST 547-1 $#$# UST 547-2 $#$#$#$#$#$#$# $#$#$# 26 164 142 145 25 26A 138B 134 146 UST 547-3 UST 15-2 156 UST 15-3 $#$#$#$# 157 140 UST 37-13 UST 372-1 UST 372-2 UST 15-1 155B UST 37-14 139 141 147 UST 616-2 UST 37-15 UST 616-1 139A 210 UST 37-16 214 158 153A 201 154 152 148 211 155 $# UST 340-1 153 155 160 159 163 UST 342 199 $# 150 150B UST 584-2 202 $#$# 151 UST 584-1 165 166 167 150A 168 149 169 UST 608-1 ") RCRA, NFA CERCLA, See Associated Site $# Petoleum, Open $# Petoleum, See Associated Site $# Petoleum, NFA with Restictions $# Petoleum, NFA without Restictions 24 Notes: CERCLA FOST NFA RCRA Envionmental Baseline Suvey Pacel FOST Pacel Bounday Upland Potions of FOST Pacel Submeged Potions of FOST Pacel Road o Aifield Building Wetland Wate Compehensive Envionmental Response, Compensation, and Liability Act Finding of Suitability to Tansfe No Futhe Action Resouce Consevation and Recovey Act 500 0 500 1,000 Feet Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 7 Undegound Stoage Tank Status Alameda 2013 Finding of Suitability to Tansfe

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5D 1 5E "! 8A 9 10 11 "! AOC 357 2 5A 5D 5D 8 12A 14 12 16A 15 16B 13 "! "! "! 16 12B 3 17A 17 18A AOC 374 23D 23A UST(R)-10/ NAS GAP 27 18 "! 4 "! 19 SWMU 331 20 21 AOC 473 22A 22 23B OAKLAND INNER HARBOR 23H 5B SAN FRANCISCO BAY 6 7 5 "! 5C 23 24 ") "! ") ") ") "! ") TP-08 "! NAS GAP 19 WD 020 OWS 020 34 NAS GAP 20 NAS GAP 06 18743 191 OWS 063B OWS 063C NAS GAP 21 OWS 063A WD 023 NAS GAP 22 IWTP 24/ HW-01/ GAP IWTP 24 AOC 491 NAS GAP 12 OWS 494 IWTP 25/ HW-06/ GAP IWTP 25 25 23E 30 23G NADEP GAP 06 27A 27 26 193 35 192 33 29 29A ") ") NADEP GAP 07 26A 32 36 190 31 204A 190A 30A 204 30 28 28A 49 50A 50 46 47 48 50B51B 23C "! 51A NADEP GAP 28 "! 54 ") ") "! 51 23F 45 205 52 40 55 57 44 ") ") 53A 53 45A 41 42 59 56 "! "! 65 ") ") 66 OWS 012B OWS 012A "! "! NADEP GAP 33 70 61 68 64 "! 82 83 NAS GAP 23 "! AOC 039 AOC 001 75 91 74 185 NAS GAP 24 195 92 "! "! NAS GAP 13 90 TP-02 89 NAS GAP 03 80 OWS 114 77 WD 114 188189 79 "! OWS 040A 108 107 OWS 040B WD 040 NAS 206 GAP 25 111 196 71 "! 110 "! "! "! 72 "! 121 ") 123 "! OWS 067 124 AOC 098122 125 126 128"! "! "! 127 "! "! "! ") 140 "! 200 "! 202 "! "! ") "! ") 142 "! 208 "! 112 134 NAS GAP 18/ SHWAP 18 NAS "! AOC 015 OWS 397D OWS 397C "!"! NADEP GAP 67 156 139 "! OWS 397B 157 138B "! OWS 601 NAS AOC 397 141 GAP 08 147 "! AOC 009 139A OWS 166B 158 155B WD 166 OWS 397A 214 NADEP GAP 68 OWS 166A NADEP GAP 62 "! "! 210 NADEP GAP 69 ") ") IWTP 410 NADEP GAP 64 201 153A NADEP GAP 71 OWS 588 OWS 530 ") ") 154 152 "! 155 211 148 NADEP GAP 63 "! ") 153 NADEP GAP 63A 155 58 SEAPLANE LAGOON 186 69 67 61A 194 39 63 84 76 81 207 213 AOC 340 NADEP GAP 72 NAS GAP 28 NADEP GAP 66 NADEP GAP 65 62 101 93 85 71A UST(R)-03 NADEP 86 GAP 82 NADEP GAP 81 NAS GAP 14 NADEP GAP 83 OWS 017 UST(R)-05 NADEP GAP 43 STRUCTURE 598/ HW-04 UST(R)-07/ AREA 37 94 95 78 73 160 159 96 88 155A 155C 87 109 106 OWS 410A GAP 621 AOC 392 WD 041B 136 138 97 163 105 203 135 104 138A 137 103 215 62A 140A 164A 199 150 164 98 AOC 271 BUILDING 13/ HW-03 AOC 411 NAS GAP 15/ NAS GAP 29 UST(R)-08 UST(R)-11 134A 131 OWS 410B NAS GAP 04/ SWMU 584 165 119 118 151 120 143 150B 150A149 167 116 117 129 209 133 146 102 "! 113 114 197 "! 99 145 "! 168 212 100 115 "! 130 132 144 UST(R)-16 NAS GAP 30 UST(R)-15/ NAS GAP 16 OWS 459 OWS 118 AOC 173 OWS 529 182 Notes: AOC BOWTS CERCLA FOST GAP HW IR IWTP M-(numbe) NADEP NAS OWS RCRA RFA SHWAP SWMU TP UST(R) WD ") RCRA, NFA ") RCRA, NA CERCLA, See Associated Site CERCLA, Futhe Action CERCLA, NFA CERCLA, NA "! Petoleum, Open "! Petoleum, See Associated Site "! Petoleum, NFA without Restictions "! Petoleum, NFA with Restictions # Envionmental Baseline Suvey Pacel FOST Pacel Bounday Upland Potions of FOST Pacel Submeged Potions of FOST Pacel Building Road o Aifield Wetland Wate Aea of Concen Bilge Oily Wastewate Teatment System Compehensive Envionmental Response, Compensation, and Liability Act Finding of Suitability to Tansfe Geneato Accumulation Point Hazadous Waste Aea Installation Restoation Industial Wastewate Teatment Plant Miscellaneous Aea Identified in RFA Naval Aviation Depot Alameda Naval Ai Station Oil-Wate Sepaato Resouce Consevation and Recovey Act RCRA Facility Assessment Solid Hazadous Waste Accumulation Point Solid Waste Management Unit Tieed Pemit Undegound Stoage Tank Numbe System identified in RFA Washdown Aea 250 0 250 500 Feet Alameda Point, Alameda, CA Depatment of the Navy, BRAC PMO West, San Diego, Califonia 166 Figue 8 169 Solid Waste Management Unit Status Alameda 2013 Finding of Suitability to Tansfe 2013-04-19 V:\Alameda\Pojects\059_FOST2012\08_SWMUs_Dsize.mxd TtEMI-AL simon.cadinale

410 OAKLAND INNER HARBOR IR1 WESTERN BAYSIDE IR32 Sewe Line IR2 Radshack; appoximate location Bunke 353 SAN FRANCISCO BAY SOUTH SHORE Building 42 Building 346 488 Building 44 Sewe Line F 489 Building 400 20 21 22 23 24 25 29 3 11 76 422 60 134 Sewe Line 135 94 137 4 525 425 424 18 16 Building 7 2 17 1 Building 114 Coutyad Building 5 62 6 32 101 10 Building 12 12 39 40 41 PIER 2 8 9 423 PIER 1 92 15 91 Seaplane Ramp and Paking Apon Seaplane Lagoon WHARF 2 WHARF 1 677 13 167 166 Sewe Line 162 168 117 67 112 98 398 169 152 459 118 527 Fome Smelte Aea 14 Building 66 163A 360 Building 113 372 170 D-13 397 530 542 RV PARK Suspected Radiologically Contaminated Aea Status Notes: FOST IR Open Unesticted Release FOST Pacel Bounday Road o Aifield Building Wetland Wate Finding of Suitability to Tansfe Installation Restoation 600 0 600 1,200 Feet Pie 3 252 254 Building 400 Building 12 Building 310 Building 309 BREAKWATER BEACH Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 9 Radiological Sites 2013-04-19 V:\Alameda\Pojects\059_FOST2012\09_Rad.mxd TtEMI-AL simon.cadinale Alameda 2013 Finding of Suitability to Tansfe

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x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x SAN FRANCISCO BAY OAKLAND INNER HARBOR BREAKWATER BEACH SOUTH SHORE WESTERN BAYSIDE SEAPLANE LAGOON 2013-04-19 V:\Alameda\Pojects\059_FOST2012\10_Wells_Dsize_labels.mxd TtEMI-AL simon.cadinale 500 0 500 1,000 Feet FOST Pacel Bounday Upland Potions of FOST Pacel Submeged Potions of FOST Pacel Road o Aifield Building Wetland Wate x Monitoing Well x Extaction, Recovey, o Remediation Well x Injection Well x Iigation Well x Piezomete x Spage Well x Well (Unspecified) Figue 10 Alameda Point, Alameda, Califonia Well Locations Depatment of the Navy, BRAC PMO West, San Diego, Califonia Alameda 2013 Finding of Suitability to Tansfe

OAKLAND INNER HARBOR WESTERN BAYSIDE 14 28 Associated CERCLA site numbe. 14 CERCLA Site Restictions Requied 26 FOST Pacel Mash Cust-Related Restiction Excavation pemit equied fo excavations below Mean High Tide.* Excavation pemit equied fo excavations below 5 feet.* Excavation pemit equied fo excavations below 10 feet.* Road o Aifield Building Wetland Wate SOUTH SHORE SEAPLANE LAGOON 27 9 19 13 Notes: * FOST Resticted boundaies often diffe fom CERCLA site boundaies (see Figue 3.) City of Alameda Odinance No. 2824, Alameda Municipal Code Chapte XIII, Section 13-56. Finding of Suitability to Tansfe SAN FRANCISCO BAY 600 0 600 1,200 Feet BREAKWATER BEACH Alameda Point, Alameda, Califonia Depatment of the Navy, BRAC PMO West, San Diego, Califonia Figue 11 Footpint of Aeas within CERCLA Sites that Requie Restictions 2013-02-12 V:\Alameda\Pojects\059_FOST2012\11_Restictions.mxd TtEMI-AL simon.cadinale Alameda 2013 Finding of Suitability to Tansfe

Alameda Point Alameda, California. April 19, 2013