SEDIMENT SAMPLING AND ANALYSIS REPORT

Transcription

1 SEDIMENT SAMPLING AND ANALYSIS REPORT MAINTENANCE DREDGING PROJECT SCHNEIDER DOCK AND INTERMODAL FACILITY 990 WEST WATERFRONT DRIVE EUREKA, CALIFORNIA PREPARED BY: PACIFIC AFFILIATES, INC. A CONSULTING ENGINEERING GROUP 990 WEST WATERFRONT DRIVE EUREKA, CA (707) JANUARY 20, 2014

2 Schneider Dock January 2014 Sediment Testing Results Job No TABLE OF CONTENTS I. INTRODUCTION 1 A. SCOPE OF WORK 1 B. OBJECTIVES 1 C. SITE LOCATION 1 D. BACKGROUND 2 II. SAMPLING ACTIVITIES 3 A. SAMPLE COLLECTION 3 B. SAMPLE HANDLING 3 III. LABORATORY ANALYSIS 4 A. TESTING LABORATORIES 4 B. SAMPLE COMPOSITING 4 IV. QUALITY CONTROL 5 V. DISCUSSION 6 A. GEOLOGY 6 B. HISTORICAL DATA 6 C. ANALYTIC RESULTS 6 VI. CONCLUSIONS 13 VII. REFERENCES 14 APPENDIX I SEDIMENT CORE SAMPLE LOGS APPENDIX II SEDIMENT CORE SAMPLE LOCATIONS APPENDIX III SEDIMENT SAMPLE ANALYTICAL RESULTS I II III Pacific Affiliates, Inc. i

3 Schneider Dock January 2014 Sediment Testing Results Job No LIST OF TABLES Table 1 - Physical characteristics of sediment... 7 Table 2 - Metals... 7 Table 3 - PAH s... 8 Table 4 - Chlorinated Hydrocarbons... 8 Table 5 - Phthalates... 9 Table 6 - Phenols... 9 Table 7 - Miscellaneous Extractables... 9 Table 8 - Organochlorine Pesticides Table 9 - Polychlorinated Biphenyls Table 10 - Tributyltin Table 11 - Total Petroleum Hydrocarbons Table 12 - Dioxins Table 13 - Furans Table 14 TEQ Calculation Pacific Affiliates, Inc. ii

4 Schneider Dock January 2014 Sediment Testing Results Job No ABBREVIATIONS California Coastal Commission California Environmental Quality Act Environmental Protection Agency Eureka Forest Products Humboldt Bay Harbor, Recreation and Conservation District Laboratory Control Sample Laboratory Control Sample Duplicates Matrix Spike Matrix Spike Duplicate Mean Lower Low Water Pacific Affiliates Quality Control Regional Water Quality Control Board Relative Percent Difference Sampling and Analysis Plan Sediment Evaluation Framework Sierra Pacific Industries U.S. Army Corps of Engineers CCC CEQA EPA EFP HBHRCD LCS LCSD MS MSD MLLW PA QC RWQCB RPD SAP SEF SPI USACE Pacific Affiliates, Inc. iii

5 Schneider Dock January 2014 Sediment Testing Results Job No I. INTRODUCTION This Report of Findings presents the results of sampling and analysis of the sediment proposed to be dredged at the Schneider Dock and Intermodal Facility (SDI). A discussion of sampling activities and the sediment testing results is contained herein as well. Sediment sampling was performed at SDI s dock August 23, 2013 by Pacific Affiliates (PA). All investigative activities were performed in general accordance with the Sediment Sampling and Analysis Plan (SAP) dated May 6, 2013 prepared by PA. The SAP was reviewed and approved by the Environmental Protection Agency (EPA), U.S. Army Corps of Engineers (USACE) and the Humboldt Bay Harbor, Recreation and Conservation District (HBHRCD) among other agencies. A. Scope of Work Sediment sampling and analysis is part of a broader scope of work with the ultimate objective of obtaining permit coverage for maintenance dredging at the Schneider Dock. The scope of work includes the following activities: Prepare SAP and obtain plan approval from all involved agencies Implement SAP Prepare Sediment Sampling and Analysis Report based upon results of sampling activities Prepare CEQA document for maintenance dredging project Obtain dredging permits B. Objectives The intent of sediment sampling and analysis is to characterize the sediment proposed to be dredged. Historical data from sediment testing previous completed has shown Humboldt Bay to have elevated concentrations of several chemicals. In order to properly handle and dispose of the dredged material, it must be characterized by thorough analysis. C. Site Location Schneider Dock is located on the eastern shore of the North Bay Channel in Humboldt Bay, approximately ¼ of a mile west of Highway 101 at 990 West Waterfront Drive in Eureka, CA. Project parcels are described as APN s , and ; the former being a tideland parcel owned by the City of Eureka and the latter two being the adjacent upland parcels owned by SDI. The subject properties are located along the southern boundary of Section 21, Township 5 North, Range 1 West. The proposed project will cause disturbance to waters of the United States within Humboldt Bay in the Eureka Plain Hydrologic Unit No Pacific Affiliates, Inc. 1

6 Schneider Dock January 2014 Sediment Testing Results Job No D. Background Schneider Dock, formerly the City of Eureka Dock A, has been used extensively for the import and export of cargo via Humboldt Bay throughout its history. In 1991, Mr. David Schneider purchased the upland parcel from Louisiana Pacific and assumed the lease of the tidelands, for which the dock is on, from the City of Eureka. SDI is used regularly by domestic and international vessels up to 700 feet in length with draft depths up to 35 feet. Cargo is stored on the upland parcels adjacent to the dock (APN s , and ). SDI is seeking maintenance dredging permits from the USACE, California Regional Water Quality Control Board and HBHRCD. A permit exemption for dredging is being applied for through the California Coastal Commission (CCC). New legislation will go into effect on January 1, 2014 that does not require a lease through the State Lands Commission to dredge. An existing Coastal Development Permit (CDP ) is in the process of being amended to allow the temporary storage of various types of cargo, including dredged material, on Parcel Schneider Dock was last dredged in 1974 to a depth of -37 feet Mean Lower Low Water (MLLW). The proposed maintenance dredging project is required to maintain adequate berthing depth for vessels that moor at the dock, as well as to insure the continued safe and convenient operation of the facility. It is proposed to remove a maximum of 2,000 cubic yards of sediment during the initial dredging event in an effort to reach the design dredge depth of -37 feet MLLW (plus two foot allowable overdredge to -39 ft MLLW). Dredging extents are described as follows: from the western edge of the dock to the eastern boundary of the Humboldt Bay channel (approximately 70 feet west from the north and south ends of the dock), and extending 100 feet northerly from the north end and 100 feet southerly from the south end of the dock (550 feet total length parallel with face of dock), for a total footprint of approximately 0.9 acres. Within this area, approximately 0.5 acres is proposed to be dredged to design depth, the remainder of the area is currently at or below -37 ft MLLW. All edges of the dredge area will be box cut which will allow the adjacent material to slough off to its natural angle of repose. Material that sloughs off into the dredge area will be removed during cleanup dredging (this is consistent with the methods used by the USACE during their dredging of the main channels in Humboldt Bay). Dredging procedures will consist of a crane with a clamshell bucket or a long reach excavator positioned either on a barge or on the dock. If a barge is used, dredge material will be pulled from the floor of the Bay and deposited into a containment area on the barge. Once the containment area is filled with sediment, it will be transferred to ten yard dump trucks positioned on the dock. If a barge is not used, dredged material will be placed directly into the dump trucks. The trucks will transport the sediment to a temporary retention basin in the graveled area of parcel The temporary retention basin will consist of an area measuring approximately 96 feet by 116 feet that will be 80% enclosed with a 4 foot high earth berm. The remainder of the basin will be enclosed by a 1 foot high berm which will allow equipment access, but will contain any free Pacific Affiliates, Inc. 2

7 Schneider Dock January 2014 Sediment Testing Results Job No water. Dump trucks will unload the dredged material within the bermed area where it will remain for a minimum of two days to dry out. Once adequately dried, the material will be piled within the retention basin for storage until it is hauled offsite. The proposed site for the retention basin slopes gently away from the bay, thus any incidental surface run-off will not flow into the bay. II. SAMPLING ACTIVITIES A. Sample Collection Sediment sampling was performed by Pacific Affiliates staff from the company work barge on August 23, The barge was anchored at the sampling locations specified in the SAP. Samples were collected approximately 75 feet beyond the north and south ends of the dock and at the one-quarter and three-quarters points along the length of the dock. Actual sample locations are shown on the bathymetric map in Appendix II. Core samples were collected using a VibeCore-D coring device which utilizes three-inch diameter sample tubes. Prior to sampling, the sample tubes were decontaminated by washing the interior with a borax solution followed by a rinse with clean water, then a double rinse with distilled water. After securing a sample tube to the VibeCore, the assembly was lowered to the mudline, powered on and vibrated into the sediment. Using pre-measured markings on the rope, the distance the sample tube had advanced into the sediment was monitored. Once adequate depth was achieved, the sampler was hoisted out of the water and placed on the barge deck. Full depth samples were achieved at all locations. Based on conditions observed in the field, Sample A-1 achieved a depth of 8.5 feet below the mudline; A-2 reached 6.5 feet; A-3 reached seven feet; and A-4 reached 13 feet below the mudline. B. Sample Handling A plunger supplied with the sample tubes was used to push the sample out of the tube onto a sheet of plastic to be documented and cataloged. A fresh sample tube was used at each sample location. Logs of the core samples are provided in Appendix I. After separating the Z-layer portion of the sample (sediment from -39 ft to ft MLLW) and discarding any sediment from below ft MLLW, the sample was split along its longitudinal axis and homogenized. After homogenizing the samples, they were split into a primary subsample and a backup subsample. Each subsample consisted of two eight ounce jars and one four ounce jar, all of which were supplied by Enviromatrix, the laboratory performing the sediment analysis. Samples were labeled with the date, time, location, sample ID, client and the sampler. Primary subsamples were packed in a cooler with ice and shipped overnight to the laboratory along with proper chain-of-custody. Z-layer sediment was homogenized and placed in sample jars consistent with the primary and backup samples. Backup and Z-layer samples are stored in a refrigerator pending approval of the primary sample analysis. Pacific Affiliates, Inc. 3

8 Schneider Dock January 2014 Sediment Testing Results Job No III. LABORATORY ANALYSIS A. Testing Laboratories Enviromatrix Analytical Inc. was contracted to perform the sediment analyses. Enviromatrix is an accredited environmental laboratory (ELAP No. 2564) in San Diego, CA. Enviromatrix subcontracted the following tests to laboratories listed below: Grain size analysis - PTS Laboratories, Inc. Total Organic Carbon Calscience Environmental Laboratories, Inc. Furans and Dioxins Ceres Analytical Laboratories, Inc. Appendix III contains a list of all chemicals tested for and the test methods utilized. All testing methods are in accordance with those approved by the EPA and are based on Table 6-1 of the Sediment Evaluation Framework (SEF). A discussion of deviations from the approved methods was held between Enviromatrix and EPA and approved with the condition that the lab describes their methods and detection limits in the results report, including any clean-up necessary to achieve the SEF limits as closely as possible. B. Sample Compositing Sediment samples from the four sample locations were shipped overnight to Enviromatrix. Per the SAP, laboratory personnel combined the four samples into a single 4:1 composite sample for analysis. Complete sediment testing results with laboratory quality control data and chain-ofcustody documentation are contained in Appendix III. Pacific Affiliates, Inc. 4

9 Schneider Dock January 2014 Sediment Testing Results Job No IV. QUALITY CONTROL Pacific Affiliates received the analytic results for the sediment samples from Enviromatrix on September 12, 2013 and the grain size analysis on September 20, Enviromatrix, or the subcontracted laboratory, provided notes on all anomalies that occurred during testing which are summarized below. With the exception of the matrix spikes for Zinc, Nickel, Antimony and Total Sulfide and the duplicate for Di-n-butyl phthalate, all quality control (QC) results were within the limits. Due to noted non-homogeneity of the QC sample matrix, the Matrix Spike (MS) did not provide reliable results for accuracy and precision for Zinc and Nickel. The acceptable percent recovery range for the MS was % and the recovery for Zinc was 127%, and 133% for Nickel. Sample results for the QC batch were accepted based on Laboratory Control Sample (LCS) and Laboratory Control Sample Duplicates (LCSD) percent recoveries and Relative Percent Difference (RPD) values. The spike recoveries for Antimony and Total Sulfide were outside acceptance limits (75-125%) for the MS and Matrix Spike Duplicate (MSD) due to matrix interference. Recoveries for Total Sulfide were 126% for the MS and 130% for MSD. The LCS and LCSD were within acceptance limits showing that the laboratory is in control and the data is acceptable. The RPD result for Di-n-butyl phthalate was 117, which exceeded the QC limit of 30 due to non-homogeneity of the sample. Dilution of the Gasoline (C6-C10) sample was necessary due to nature of the matrix. All samples were handled with the appropriate chain-of-custody procedures and samples were analyzed within the required holding times. All laboratory QC batches were checked to ensure that the correct number of samples were analyzed, the holding times were not exceeded, surrogates recoveries were within stated control limits, and that Laboratory Method Blank, MS, MSD, LCS and LCSD were all tested and within the acceptable limits except as noted above and in the laboratory analytical reports. Pacific Affiliates, Inc. 5

10 Schneider Dock January 2014 Sediment Testing Results Job No V. DISCUSSION A. Geology Sediment within the dredge prism was explored in four locations. The depth to the mudline, below zero feet MLLW, varied from approximately 27 feet on the north end of the dock to 33.5 feet in front of the southern half of the dock. Depths achieved during sampling ranged from approximately 6.5 feet to 13 feet below the mudline. Sampled depths below zero feet MLLW ranged from feet to -40 feet. Sediments were found to be, on average, in the fine sand range with the gradation being 48% fine sands, 24% silt, 20% medium sand and 8% clay. All the sediments were dark gray in color. Logs of the core samples can be found in Appendix I. B. Historical Data Extensive sediment sampling and analysis has been performed around Humboldt Bay as part of previous dredging projects. Analytic results from this project were compared to data from sediment testing performed at the Sierra Pacific Dock in 2006, which is located ±800 feet south of Schneider Dock, as well as from 11 City of Eureka waterfront mooring facilities and Woodley Island Marina, all of which were sampled in Though not all parameters tested for during this project were analyzed in the previous projects, several were. When comparing the recent test results to historical data, the concentrations detected at SDI in 2013 were within the ranges detected around the Bay and at the Sierra Pacific Dock in C. Analytic Results The sediment sampling procedures used for this project were intended to provide data from a representative sample of the sediment to be dredged. Chemical concentrations were not delineated vertically or horizontally, as the individual core samples were composited into one single sample for analysis. Sediment quality guidelines for evaluating chemical analytical results consist of chemical screening levels (SLs), which are defined in the Sediment Evaluation Framework for the Pacific Northwest (SEF), Table 6-3. The SLs are designed to be protective of direct biological effects to benthic and aquatic organisms and correspond to a no adverse effects level. The following sections present the analytical results for the chemicals identified in Table 3 of the Sampling Plan. Shown in the following tables are the analytes and the respective detected concentration, Detection Limit (DL), Reporting Limit (RL) and, for certain chemicals, the SL and/or a note about the test result. Pacific Affiliates, Inc. 6

11 Schneider Dock January 2014 Sediment Testing Results Job No Conventionals As part of the characterization of the sediment, the following conventional tests were run to gain an understanding of the makeup of the sediment. The percentage of solids in the sample and a grain size analysis of the solids were used to determine the physical characteristics of the sediment. Both summarized in the following table. Table 1 - Physical characteristics of sediment ANALYSIS RESULT UNITS Total Solids, as received 64.0 % Coarse sand 0 % Medium sand % Fine sand % Silt % Clay 7.53 % Median Grain Size mm Also tested for were Total Organic Carbon (10,000 mg/kg), Total Sulfides (5.2 mg/kg) and Ammonia as N (4.4 mg/kg). Metals Detectable concentrations of Arsenic, Chromium, Copper, Mercury, Lead, Mercury, Nickel, and Zinc were found in the sediment sample. Compared with historical data from around Humboldt Bay, these are average concentrations. All detected concentrations were found to be below the Screening Levels (SLs) established in SEF Table 6-3. Table 2 - Metals ANALYTE RESULT DL RL SL UNITS NOTE Antimony ND mg/kg Arsenic mg/kg Cadmium ND mg/kg Chromium mg/kg Copper mg/kg Lead mg/kg Mercury mg/kg J Nickel mg/kg Silver ND mg/kg Zinc mg/kg Notes: J Detected but below the Reporting Limit; therefore, result is an estimated concentration. Pacific Affiliates, Inc. 7

12 Schneider Dock January 2014 Sediment Testing Results Job No Polycyclic Aromatic Hydrocarbons A number of PAH s were detected in the sediment sample. The reported concentrations were well below the SLs and, in some cases, were below the RLs. Previous testing at the SPI dock indicated lower levels of PAH s, however, the limit used in testing was 300 ug/l, which is much higher than the current limits. Table 3 - PAH s ANALYTE RESULT DL RL SL UNITS NOTE Anthracene ug/kg J Acenaphthene ND ug/kg Acenaphthylene ND ug/kg Benzo (a) anthracene ug/kg J Benzo (b) fluoranthene ug/kg J Benzo (k) fluoranthene ug/kg J Benzo (g,h,i) perylene ND ug/kg Benzo (a) pyrene ug/kg J Chrysene ug/kg J Dibenz (a,h) anthracene ND ug/kg Fluoranthene ug/kg Fluorene ug/kg J Indeno (1,2,3 cd) pyrene ND ug/kg 2 Methylnaphthalene ug/kg J Naphthalene ug/kg Phenanthrene ug/kg J Pyrene ug/kg Chlorinated Hydrocarbons There were no chlorinated hydrocarbons detected in the sediment sample above the reporting limits. Table 4 - Chlorinated Hydrocarbons ANALYTE RESULT DL RL UNITS 1,2 Dichlorobenzene ND ug/kg 1,4 Dichlorobenzene ND ug/kg 1,2,4 Trichlorobenzene ND ug/kg Hexachlorobenzene ND ug/kg Pacific Affiliates, Inc. 8

13 Schneider Dock January 2014 Sediment Testing Results Job No Phthalates Three Phthalates, Bis(2-ethylhexyl)phthalate, and Di-n-butyl and Diethyl phthalate, were detected at low concentrations. These concentrations are two orders of magnitude below the SLs established in the SEF. The remainder of the phthalates tested for were not detected at the reporting limit. Table 5 - Phthalates ANALYTE RESULT DL RL SL UNITS NOTE Bis(2 ethylhexyl)phthalate ,300 ug/kg J Butyl benzyl phthalate ND ug/kg Di n butyl phthalate ,400 ug/kg J Diethyl phthalate ug/kg J Dimethyl phthalate ND ug/kg Di n octyl phthalate ND ug/kg Phenols Two of the five phenols tested for were detected above the RL; however, the concentrations are well below the SLs. Table 6 - Phenols ANALYTE RESULT DL RL SL UNITS Phenol ug/kg 2 Methylphenol ND ug/kg 4 Methylphenol (3 Methylphenol) ug/kg 2,4 Dimethylphenol ND ug/kg Pentachlorophenol ND ug/kg Miscellaneous Extractables Of the miscellaneous extractables tested for, only dibenzofuran was detected. The SL for dibenzofuran is 540 μg/kg, which is well above the detected concentration of 21.9 μg/kg. Table 7 - Miscellaneous Extractables ANALYTE RESULT DL RL SL UNITS NOTE Benzyl alcohol ND ug/kg Dibenzofuran ug/kg J Hexachlorobutadiene ND ug/kg Hexachloroethane ND ug/kg N Nitrosodiphenylamine ND ug/kg Pacific Affiliates, Inc. 9

14 Schneider Dock January 2014 Sediment Testing Results Job No Pesticides There were no pesticides detected in the sediment sample above the detection limits. Table 8 - Organochlorine Pesticides ANALYTE RESULT DL RL UNITS 2,4 DDD ND ug/kg 4,4 DDD ND ug/kg 2,4 DDE ND ug/kg 4,4 DDE ND ug/kg 2,4 DDT ND ug/kg 4,4 DDT ND ug/kg Aldrin ND ug/kg Chlordane (Total) ND ug/kg Dieldrin ND ug/kg Heptachlor ND ug/kg gamma BHC (Lindane) ND ug/kg Polychlorinated Biphenyls There were no PCBs detected in the sediment sample above the detection limits. Table 9 - Polychlorinated Biphenyls ANALYTE RESULT DL RL UNITS Aroclor 1016 ND ug/kg Aroclor 1221 ND ug/kg Aroclor 1232 ND ug/kg Aroclor 1242 ND ug/kg Aroclor 1248 ND ug/kg Aroclor 1254 ND ug/kg Aroclor 1260 ND ug/kg Tributyltin Tributyltin (TBT) was not detected in the sediment sample above the detection limit. Table 10 - Tributyltin ANALYTE RESULT DL RL UNITS Tributyltin ND ug/kg Pacific Affiliates, Inc. 10

15 Schneider Dock January 2014 Sediment Testing Results Job No Total Petroleum Hydrocarbons The Total Petroleum Hydrocarbons tested for in the sediment sample were not detected above the detection limits. Table 11 - Total Petroleum Hydrocarbons ANALYTE RESULT DL RL UNITS NOTE Gasoline (C6 C10) ND mg/kg R 06 Diesel (C10 C28) ND mg/kg dry Extended Range HC (C28 C40) ND mg/kg dry Notes: R-06 Sample dilution was necessary due to nature of the matrix. Dioxins/Furans A number of dioxins and furans were detected in the sediment sample, however, the majority of the positive results were detected below the DL and were flagged as being an estimated concentration. OCDD were not flagged as being below the DL, however, they were detected below the SQLs, as were the other detected dioxins and furans. The concentration of 1,2,3,4,6,7,8-HpCDD was detected at μg/kg, which is above the SQL of μg/kg. OCDD was flagged as being present in the method blank as well. Table 12 - Dioxins ANALYTE RESULT DL SQL UNITS NOTE 2,3,7,8 TCDD ND pg/g 1,2,3,7,8 PeCDD pg/g J 1,2,3,4,7,8 HxCDD ND pg/g 1,2,3,6,7,8 HxCDD pg/g J 1,2,3, 7,8,9 HxCDD pg/g J 1,2,3,4,6,7,8 HpCDD pg/g OCDD ,000 pg/g B Table 13 - Furans ANALYTE RESULT DL SQL UNITS NOTE 2,3,7,8 TCDF ,000 pg/g J 1,2,3,7,8 PeCDF ND ,000 pg/g 2,3,4,7,8 PeCDF ND ,000 pg/g 1,2,3,4,7,8 HxCDF ,000 pg/g J 1,2,3,6,7,8 HxCDF ,000 pg/g J 2,3,4,6,7,8 HxCDF ,000 pg/g J 1,2,3,7,8,9 HxCDF ND ,000 pg/g 1,2,3,4,6,7,8 HpCDF ,000 pg/g J 1,2,3,4,7,8,9 HpCDF ND ,000 pg/g OCDF ,000 pg/g J Notes: B Analyte present in the associated Method Blank J Concentration found below the lower quantitation limit but greater than zero. Pacific Affiliates, Inc. 11

16 Schneider Dock January 2014 Sediment Testing Results Job No Using the Toxicity Equivalence Factors (TEF) published by the EPA (EPA 2010), the Toxicity Equivalence (TEQ) of the dioxins and furans were calculated as shown in Table 14 below. For the purpose of the evaluation, two TEQ values were calculated for those compounds which returned non-detect results. The first TEQ value assumes the test result was equal to zero; the second TEQ value assumes the test result was equal to one-half of the detection limit. Overall TEQs for the sediment ranged from 1.33 to 1.54 pg/g, depending on the assumed non-detect concentration. These values are relatively low and when compared to the TEQ results from the 11 City of Eureka waterfront sites tested in 2005, the values from Schneider Dock would be on the lower end of the ranges calculated, which were from 1.78 to 7.70 pg/g. Table 14 TEQ Calculation ANALYTE RESULT 1 RESULT 2 TEF 3 TEQ 1 TEQ 2 (pg/g) (pg/g) (pg/g) (pg/g) 2,3,7,8 TCDD ,2,3,7,8 PeCDD ,2,3,6,7,8 HxCDD ,2,3,4,7,8 HxCDD ,2,3,7,8,9 HxCDD ,2,3,4,6,7,8 HpCDD OCDD ,3,7,8 TCDF ,2,3,7,8 PeCDF ,3,4,7,8 PeCDF ,2,3,6,7,8 HxCDF ,2,3,7,8,9 HxCDF ,2,3,4,7,8 HxCDF ,3,4,6,7,8 HxCDF ,2,3,4,6,7,8 HpCDF ,2,3,4,7,8,9 HpCDF OCDF Overall TEQs (pg/g) Using ND = 0 2 Using ND = 1/2 DL 3 All TEFs are from EPA 2010 Pacific Affiliates, Inc. 12

17 Schneider Dock January 2014 Sediment Testing Results Job No VI. CONCLUSIONS Though a number of chemicals were detected in the sediment sample, the concentrations of the detected chemicals were similar to background levels within Humboldt Bay. Provided the dredging is completed as approved by the governing agencies (work windows, equipment, dredging procedures, etc.), the project should not cause or contribute to degradation of groundwater or water quality in Humboldt Bay. Dredged sediment shall be handled appropriately and disposed of at an upland facility approved to accept the material as characterized. Pacific Affiliates, Inc. 13

18 Schneider Dock January 2014 Sediment Testing Results Job No VII. REFERENCES Evaluation of Dredged Material Proposed for Discharge in Waters of the U.S. - Testing Manual, Inland Testing Manual, US EPA/ US Army Corps of Engineers. EPA 823-B , February Guidelines for Implementing the Inland Testing Manual in the San Francisco Bay Region. US EPA/SFBCDC, USACE - SF/SF Bay Regional Board/CA State Lands Commission, September 21, Methods for Collection, Storage and Manipulation of Sediments for Chemical and Toxicological Analyses: Technical Manual, US EPA, EPA-823-B , October QA/QC Guidance for Sampling and Analysis of Sediments, Water, and Tissues for Dredged Material Evaluations, Chemical Evaluations, US EPA/USACE, EPA 823-B , April Recommended Toxicity Equivalence Factors (TEFs) for Human Health Risk Assessments of 2,3,7,8-Tetrachlorodibenzo-p-dioxin and Dioxin-Like Compounds, US EPA, EPA/100/R-10/005, December Sampling Results report for Dioxin/Furans, PCP and PCB Testing, City of Eureka and Humboldt Bay, Harbor, Recreation and Conservation District, Cooperative Eureka Waterfront Facilities Maintenance Dredging Project, Eureka Channel, Humboldt Bay, California, Pacific Affiliates, December Sediment Evaluation Framework for the Pacific Northwest, US EPA, USACE, US Fish & Wildlife Service, National Marine Fisheries Service, Idaho Department of Environmental Quality, Oregon Department of Environmental, Washington Department of Natural Resources, Washington Department of Ecology, May Sediment Sampling Analysis, City of Eureka and Humboldt Bay, Harbor, Recreation and Conservation District, Pacific Affiliates, April 1, Sediment Sampling and Analysis Plan, Schneider Dock Maintenance Dredging, Pacific Affiliates, May 6, Pacific Affiliates, Inc. 14

19 Schneider Dock January 2014 Sediment Testing Results Job No APPENDIX I SEDIMENT CORE SAMPLE LOGS Pacific Affiliates, Inc. I

20 SEDIMENT CORE SAMPLES SCHNEIDER DOCK AND INTERMODAL FACILITY 990 W. WATERFRONT DRIVE EUREKA, CA 95501

21 SEDIMENT CORE SAMPLES SCHNEIDER DOCK AND INTERMODAL FACILITY 990 W. WATERFRONT DRIVE EUREKA, CA 95501

22 SEDIMENT CORE SAMPLES SCHNEIDER DOCK AND INTERMODAL FACILITY 990 W. WATERFRONT DRIVE EUREKA, CA 95501

23 SEDIMENT CORE SAMPLES SCHNEIDER DOCK AND INTERMODAL FACILITY 990 W. WATERFRONT DRIVE EUREKA, CA 95501

24 SEDIMENT CORE SAMPLES SCHNEIDER DOCK AND INTERMODAL FACILITY 990 W. WATERFRONT DRIVE EUREKA, CA 95501

25 Schneider Dock January 2014 Sediment Testing Results Job No APPENDIX II SEDIMENT CORE SAMPLE LOCATIONS Pacific Affiliates, Inc. II

26

27 Schneider Dock January 2014 Sediment Testing Results Job No APPENDIX III SEDIMENT SAMPLE ANALYTICAL RESULTS Pacific Affiliates, Inc. III

28 EnviroMatrix Analytical, Inc. 12 September 2013 Pacific Affiliates Attn: Corey Matson 990 W. Waterfront Drive Eureka, CA EMA Log #: 13H0768 Project Name: Sediment Testing 2013 Enclosed are the results of analyses for samples received by the laboratory on 08/27/13 08:00. Samples were analyzed pursuant to client request utilizing EPA or other ELAP approved methodologies. I certify that this data is in compliance both technically and for completeness. Dan Verdon Laboratory Director CA ELAP Certification #: Viewridge Avenue, Suite A - San Diego, California (858) Fax (858) Analytical Chemistry Laboratory

29 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 ANALYTICAL REPORT FOR SAMPLES Sample ID Laboratory ID Matrix Date Sampled Date Received Schneider Dock Composite 13H /23/13 14:25 08/27/13 08:00 Sediment NOTE: The 2,3,7,8-TCDD analyses, TOC and Grain Size analyses were performed by a sub-contract laboratory, results to follow in a separate report. The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 2 of 31

30 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Total Metals by EPA 6000/7000 Series Methods Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Silver ND mg/kg dry /28/13 08/29/13 EPA 6020 Arsenic Cadmium ND Chromium Copper Mercury /04/13 09/04/13 EPA 7471 J Nickel /28/13 08/29/13 EPA 6020 Lead Antimony ND Zinc The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 3 of 31

31 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organochlorine Pesticides by EPA Method 8081B Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Aldrin ND ug/kg dry /28/13 09/11/13 alpha-bhc ND beta-bhc ND gamma-bhc (Lindane) ND delta-bhc ND alpha-chlordane ND gamma-chlordane ND Chlordane (Total) ND ,4 -DDD ND ,4 -DDD ND ,4 -DDE ND ,4 -DDE ND ,4 -DDT ND ,4 -DDT ND Dieldrin ND Endosulfan I ND Endosulfan II ND Endosulfan sulfate ND Endrin ND Endrin aldehyde ND Endrin ketone ND Heptachlor ND Heptachlor epoxide ND Methoxychlor ND Toxaphene ND Surrogate: TCMX 69 % EPA 8081 The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 4 of 31

32 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Polychlorinated Biphenyls by EPA Method 8082 Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Aroclor 1016 ND ug/kg dry /28/13 09/11/13 Aroclor 1221 ND Aroclor 1232 ND Aroclor 1242 ND Aroclor 1248 ND Aroclor 1254 ND Aroclor 1260 ND Surrogate: TCMX 69 % EPA 8082 The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 5 of 31

33 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Acenaphthene ND ug/kg dry /04/13 09/09/13 EPA 8270C Acenaphthylene ND Anthracene J Benzidine ND Benzo (a) anthracene J Benzo (b) fluoranthene J Benzo (k) fluoranthene J Benzo (g,h,i) perylene ND Benzo (a) pyrene J Benzyl alcohol ND Bis(2-chloroethoxy)methane ND Bis(2-chloroethyl)ether ND Bis(2-chloroisopropyl)ether ND Bis(2-ethylhexyl)phthalate J 4-Bromophenyl phenyl ether ND Butyl benzyl phthalate ND Carbazole ND Chloroaniline ND Chloro-3-methylphenol ND Chloronaphthalene ND Chlorophenol ND Chlorophenyl phenyl ether ND Chrysene J Dibenz (a,h) anthracene ND Dibenzofuran J Di-n-butyl phthalate J 1,2-Dichlorobenzene ND ,3-Dichlorobenzene ND ,4-Dichlorobenzene ND ,3 -Dichlorobenzidine ND ,4-Dichlorophenol ND Diethyl phthalate J 2,4-Dimethylphenol ND Dimethyl phthalate ND ,6-Dinitro-2-methylphenol ND ,4-Dinitrophenol ND ,4-Dinitrotoluene ND ,6-Dinitrotoluene ND Di-n-octyl phthalate ND Fluoranthene The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 6 of 31

34 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Fluorene ug/kg dry /04/13 09/09/13 EPA 8270C J Hexachlorobenzene ND Hexachlorobutadiene ND Hexachlorocyclopentadiene ND Hexachloroethane ND Indeno (1,2,3-cd) pyrene ND Isophorone ND Methylnaphthalene J 2-Methylphenol ND Methylphenol (3-Methylphenol) Naphthalene Nitroaniline ND Nitroaniline ND Nitroaniline ND Nitrobenzene ND Nitrophenol ND Nitrophenol ND N-Nitrosodimethylamine ND N-Nitrosodiphenylamine ND N-Nitrosodi-n-propylamine ND Pentachlorophenol ND Phenanthrene J Phenol Pyrene Pyridine ND ,2,4-Trichlorobenzene ND ,4,5-Trichlorophenol ND ,4,6-Trichlorophenol ND Surrogate: 2-Fluorophenol Surrogate: Phenol-d6 Surrogate: Nitrobenzene-d5 Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl4 71 % % % % % % The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 7 of 31

35 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Conventional Chemistry Parameters by Standard/EPA Methods Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Ammonia as N mg/kg dry /06/13 09/06/13 SM4500 NH3 B,C % Solids % /28/13 08/29/13 SM 2540 G Total Sulfide mg/kg dry /30/13 08/30/13 EPA 9034 The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 8 of 31

36 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 TPH by EPA 8015B Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Diesel (C10-C28) ND mg/kg dry /30/13 08/31/13 Extended Range HC (C28-C40) ND EPA 8015B Surrogate: 4-Bromofluorobenzene 90 % Gasoline (C6-C10) ND /04/13 09/04/13 R-06 Surrogate: 4-Bromofluorobenzene 109 % The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 9 of 31

37 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organotin Compounds by GC - FPD Reporting Analyte Result MDL Limit Units Dilution Batch Prepared Analyzed Method Notes Schneider Dock Composite (13H ) Sediment Sampled: 08/23/13 14:25 Received: 08/27/13 08:00 Tetrabutyltin ND ug/kg dry /28/13 09/09/13 Tributyltin ND Dibutyltin ND Monobutyltin ND Total Organotins ND Surrogate: Tripentyltin Surrogate: Tri-n-propyltin 90 % % GC - FPD The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 10 of 31

38 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Total Metals by EPA 6000/7000 Series Methods - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 08/28/13 Analyzed: 08/29/13 Arsenic ND mg/kg wet Antimony ND Cadmium ND Lead ND Copper ND Silver ND Zinc ND Nickel ND Chromium ND LCS ( BS1) Prepared: 08/28/13 Analyzed: 08/29/13 Chromium mg/kg wet Cadmium Copper Arsenic Nickel Silver Lead Antimony Zinc J LCS Dup ( BSD1) Prepared: 08/28/13 Analyzed: 08/29/13 Antimony mg/kg wet Lead Copper Chromium Zinc J Nickel Cadmium Silver Arsenic The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 11 of 31

39 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Total Metals by EPA 6000/7000 Series Methods - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Duplicate ( DUP1) Source: 13H Prepared: 08/28/13 Analyzed: 08/29/13 Silver ND mg/kg dry ND 20 Zinc J Antimony ND ND 20 Lead Nickel Copper Arsenic Chromium Cadmium ND ND 20 Matrix Spike ( MS1) Source: 13H Prepared: 08/28/13 Analyzed: 08/29/13 Zinc mg/kg dry QM-06, J Arsenic Copper Nickel QM-06 Cadmium ND Silver ND Chromium Antimony ND ND QM-05 Lead Matrix Spike Dup ( MSD1) Source: 13H Prepared: 08/28/13 Analyzed: 08/29/13 Antimony ND mg/kg dry 14.2 ND QM-05 Zinc J Nickel Cadmium ND Arsenic Copper Lead Silver ND Chromium The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 12 of 31

40 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Total Metals by EPA 6000/7000 Series Methods - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared & Analyzed: 09/04/13 Mercury ND mg/kg wet LCS ( BS1) Prepared & Analyzed: 09/04/ Mercury mg/kg wet LCS Dup ( BSD1) Prepared & Analyzed: 09/04/13 Mercury mg/kg wet Duplicate ( DUP1) Source: 13H Prepared & Analyzed: 09/04/13 Mercury mg/kg dry J Matrix Spike ( MS1) Source: 13H Prepared & Analyzed: 09/04/13 Mercury mg/kg dry Matrix Spike Dup ( MSD1) Source: 13H Prepared & Analyzed: 09/04/13 Mercury mg/kg dry The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 13 of 31

41 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organochlorine Pesticides by EPA Method 8081B - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 08/28/13 Analyzed: 09/11/13 Aldrin ND ug/kg wet alpha-bhc ND beta-bhc ND gamma-bhc (Lindane) ND delta-bhc ND alpha-chlordane ND gamma-chlordane ND Chlordane (Total) ND ,4 -DDD ND ,4 -DDD ND ,4 -DDE ND ,4 -DDE ND ,4 -DDT ND ,4 -DDT ND Dieldrin ND Endosulfan I ND Endosulfan II ND Endosulfan sulfate ND Endrin ND Endrin aldehyde ND Endrin ketone ND Heptachlor ND Heptachlor epoxide ND Methoxychlor ND Toxaphene ND Surrogate: TCMX LCS ( BS1) Prepared: 08/28/13 Analyzed: 09/11/13 Aldrin ug/kg wet gamma-bhc (Lindane) ,4 -DDT Dieldrin Endrin Heptachlor Surrogate: TCMX The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 14 of 31

42 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organochlorine Pesticides by EPA Method 8081B - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch LCS Dup ( BSD1) Prepared: 08/28/13 Analyzed: 09/11/13 Aldrin ug/kg wet gamma-bhc (Lindane) ,4 -DDT Dieldrin Endrin Heptachlor Surrogate: TCMX Duplicate ( DUP1) Source: 13H Prepared: 08/28/13 Analyzed: 09/11/13 Aldrin ND ug/kg dry ND 30 alpha-bhc ND ND 30 beta-bhc ND ND 30 gamma-bhc (Lindane) ND ND 30 delta-bhc ND ND 30 alpha-chlordane ND ND 30 gamma-chlordane ND ND 30 Chlordane (Total) ND ND 30 2,4 -DDD ND ND 30 4,4 -DDD ND ND 30 2,4 -DDE ND ND 30 4,4 -DDE ND ND 30 2,4 -DDT ND ND 30 4,4 -DDT ND ND 30 Dieldrin ND ND 30 Endosulfan I ND ND 30 Endosulfan II ND ND 30 Endosulfan sulfate ND ND 30 Endrin ND ND 30 Endrin aldehyde ND ND 30 Endrin ketone ND ND 30 Heptachlor ND ND 30 Heptachlor epoxide ND ND 30 Methoxychlor ND ND 30 Toxaphene ND ND 30 trans-nonachlor ND ND 30 Surrogate: TCMX The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 15 of 31

43 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organochlorine Pesticides by EPA Method 8081B - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Matrix Spike ( MS1) Source: 13H Prepared: 08/28/13 Analyzed: 09/11/13 Aldrin ug/kg dry 23.2 ND gamma-bhc (Lindane) ND ,4 -DDT ND Dieldrin ND Endrin ND Heptachlor ND Surrogate: TCMX Matrix Spike Dup ( MSD1) Source: 13H Prepared: 08/28/13 Analyzed: 09/12/13 Aldrin ug/kg dry 23.2 ND gamma-bhc (Lindane) ND ,4 -DDT ND Dieldrin ND Endrin ND Heptachlor ND Surrogate: TCMX The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 16 of 31

44 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Polychlorinated Biphenyls by EPA Method Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 08/28/13 Analyzed: 09/11/13 Aroclor 1016 ND ug/kg wet Aroclor 1221 ND Aroclor 1232 ND Aroclor 1242 ND Aroclor 1248 ND Aroclor 1254 ND Aroclor 1260 ND Surrogate: TCMX LCS ( BS2) Prepared: 08/28/13 Analyzed: 09/11/13 Aroclor ug/kg wet Surrogate: TCMX LCS Dup ( BSD2) Prepared: 08/28/13 Analyzed: 09/11/13 Aroclor ug/kg wet Surrogate: TCMX Duplicate ( DUP1) Source: 13H Prepared: 08/28/13 Analyzed: 09/11/13 Aroclor 1016 ND ug/kg dry ND 30 Aroclor 1221 ND ND 30 Aroclor 1232 ND ND 30 Aroclor 1242 ND ND 30 Aroclor 1248 ND ND 30 Aroclor 1254 ND ND 30 Aroclor 1260 ND ND 30 Surrogate: TCMX Matrix Spike ( MS2) Source: 13H Prepared: 08/28/13 Analyzed: 09/11/13 Aroclor ug/kg dry 449 ND Surrogate: TCMX The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 17 of 31

45 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Polychlorinated Biphenyls by EPA Method Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Matrix Spike Dup ( MSD2) Source: 13H Prepared: 08/28/13 Analyzed: 09/12/13 Aroclor ug/kg dry 449 ND Surrogate: TCMX The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 18 of 31

46 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 09/04/13 Analyzed: 09/09/13 Acenaphthene ND ug/kg wet Acenaphthylene ND Anthracene ND Benzidine ND Benzo (a) anthracene ND Benzo (b) fluoranthene ND Benzo (k) fluoranthene ND Benzo (g,h,i) perylene ND Benzo (a) pyrene ND Benzyl alcohol ND Bis(2-chloroethoxy)methane ND Bis(2-chloroethyl)ether ND Bis(2-chloroisopropyl)ether ND Bis(2-ethylhexyl)phthalate ND Bromophenyl phenyl ether ND Butyl benzyl phthalate ND Carbazole ND Chloroaniline ND Chloro-3-methylphenol ND Chloronaphthalene ND Chlorophenol ND Chlorophenyl phenyl ether ND Chrysene ND Dibenz (a,h) anthracene ND Dibenzofuran ND Di-n-butyl phthalate ND ,2-Dichlorobenzene ND ,3-Dichlorobenzene ND ,4-Dichlorobenzene ND ,3 -Dichlorobenzidine ND ,4-Dichlorophenol ND Diethyl phthalate ND ,4-Dimethylphenol ND Dimethyl phthalate ND ,6-Dinitro-2-methylphenol ND ,4-Dinitrophenol ND ,4-Dinitrotoluene ND ,6-Dinitrotoluene ND The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 19 of 31

47 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 09/04/13 Analyzed: 09/09/13 Di-n-octyl phthalate ND ug/kg wet Fluoranthene ND Fluorene ND Hexachlorobenzene ND Hexachlorobutadiene ND Hexachlorocyclopentadiene ND Hexachloroethane ND Indeno (1,2,3-cd) pyrene ND Isophorone ND Methylnaphthalene ND Methylphenol ND Methylphenol (3-Methylphenol) ND Naphthalene ND Nitroaniline ND Nitroaniline ND Nitroaniline ND Nitrobenzene ND Nitrophenol ND Nitrophenol ND N-Nitrosodimethylamine ND N-Nitrosodiphenylamine ND N-Nitrosodi-n-propylamine ND Pentachlorophenol ND Phenanthrene ND Phenol ND Pyrene ND Pyridine ND ,2,4-Trichlorobenzene ND ,4,5-Trichlorophenol ND ,4,6-Trichlorophenol ND Surrogate: 2-Fluorophenol Surrogate: Phenol-d Surrogate: Nitrobenzene-d Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 20 of 31

48 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch LCS ( BS1) Prepared: 09/04/13 Analyzed: 09/09/13 Acenaphthene ug/kg wet Chloro-3-methylphenol Chlorophenol Di-n-butyl phthalate ,4-Dichlorobenzene ,4-Dinitrotoluene Nitrophenol N-Nitrosodi-n-propylamine Pentachlorophenol Phenol Pyrene ,2,4-Trichlorobenzene Surrogate: 2-Fluorophenol Surrogate: Phenol-d Surrogate: Nitrobenzene-d Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl LCS Dup ( BSD1) Prepared: 09/04/13 Analyzed: 09/09/13 Acenaphthene ug/kg wet Chloro-3-methylphenol Chlorophenol Di-n-butyl phthalate ,4-Dichlorobenzene ,4-Dinitrotoluene Nitrophenol N-Nitrosodi-n-propylamine Pentachlorophenol Phenol Pyrene ,2,4-Trichlorobenzene Surrogate: 2-Fluorophenol Surrogate: Phenol-d Surrogate: Nitrobenzene-d Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 21 of 31

49 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Duplicate ( DUP1) Source: 13H Prepared: 09/04/13 Analyzed: 09/09/13 Acenaphthene ND ug/kg dry ND 30 Acenaphthylene ND ND 30 Anthracene J Benzidine ND ND 30 Benzo (a) anthracene J Benzo (b) fluoranthene J Benzo (k) fluoranthene J Benzo (g,h,i) perylene ND ND 30 Benzo (a) pyrene J Benzyl alcohol ND ND 30 Bis(2-chloroethoxy)methane ND ND 30 Bis(2-chloroethyl)ether ND ND 30 Bis(2-chloroisopropyl)ether ND ND 30 Bis(2-ethylhexyl)phthalate ND Bromophenyl phenyl ether ND ND 30 Butyl benzyl phthalate ND ND 30 Carbazole ND ND 30 4-Chloroaniline ND ND 30 4-Chloro-3-methylphenol ND ND 30 2-Chloronaphthalene ND ND 30 2-Chlorophenol ND ND 30 4-Chlorophenyl phenyl ether ND ND 30 Chrysene J Dibenz (a,h) anthracene ND ND 30 Dibenzofuran ND Di-n-butyl phthalate QR-02, J 1,2-Dichlorobenzene ND ND 30 1,3-Dichlorobenzene ND ND 30 1,4-Dichlorobenzene ND ND 30 3,3 -Dichlorobenzidine ND ND 30 2,4-Dichlorophenol ND ND 30 Diethyl phthalate ND ,4-Dimethylphenol ND ND 30 Dimethyl phthalate ND ND 30 4,6-Dinitro-2-methylphenol ND ND 30 2,4-Dinitrophenol ND ND 30 2,4-Dinitrotoluene ND ND 30 2,6-Dinitrotoluene ND ND 30 Di-n-octyl phthalate ND ND 30 The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 22 of 31

50 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Duplicate ( DUP1) Source: 13H Prepared: 09/04/13 Analyzed: 09/09/13 Fluoranthene ug/kg dry J Fluorene ND Hexachlorobenzene ND ND 30 Hexachlorobutadiene ND ND 30 Hexachlorocyclopentadiene ND ND 30 Hexachloroethane ND ND 30 Indeno (1,2,3-cd) pyrene ND ND 30 Isophorone ND ND 30 2-Methylnaphthalene J 2-Methylphenol ND ND 30 4-Methylphenol (3-Methylphenol) J Naphthalene Nitroaniline ND ND 30 3-Nitroaniline ND ND 30 4-Nitroaniline ND ND 30 Nitrobenzene ND ND 30 2-Nitrophenol ND ND 30 4-Nitrophenol ND ND 30 N-Nitrosodimethylamine ND ND 200 N-Nitrosodiphenylamine ND ND 30 N-Nitrosodi-n-propylamine ND ND 30 Pentachlorophenol ND ND 30 Phenanthrene J Phenol Pyrene Pyridine ND ND 30 1,2,4-Trichlorobenzene ND ND 30 2,4,5-Trichlorophenol ND ND 30 2,4,6-Trichlorophenol ND ND 30 Surrogate: 2-Fluorophenol Surrogate: Phenol-d Surrogate: Nitrobenzene-d Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 23 of 31

51 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Semivolatile Organic Compounds by EPA Method 8270C - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Matrix Spike ( MS1) Source: 13H Prepared: 09/04/13 Analyzed: 09/09/13 Acenaphthene ug/kg dry 323 ND Chloro-3-methylphenol ND Chlorophenol ND Di-n-butyl phthalate ,4-Dichlorobenzene ND ,4-Dinitrotoluene ND Nitrophenol ND N-Nitrosodi-n-propylamine ND Pentachlorophenol ND Phenol Pyrene ,2,4-Trichlorobenzene ND Surrogate: 2-Fluorophenol Surrogate: Phenol-d Surrogate: Nitrobenzene-d Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl Matrix Spike Dup ( MSD1) Source: 13H Prepared: 09/04/13 Analyzed: 09/09/13 Acenaphthene ug/kg dry 323 ND Chloro-3-methylphenol ND Chlorophenol ND Di-n-butyl phthalate ,4-Dichlorobenzene ND ,4-Dinitrotoluene ND Nitrophenol ND N-Nitrosodi-n-propylamine ND Pentachlorophenol ND Phenol Pyrene ,2,4-Trichlorobenzene ND Surrogate: 2-Fluorophenol Surrogate: Phenol-d Surrogate: Nitrobenzene-d Surrogate: 2-Fluorobiphenyl Surrogate: 2,4,6-Tribromophenol Surrogate: Terphenyl-dl The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 24 of 31

52 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Conventional Chemistry Parameters by Standard/EPA Methods - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Duplicate ( DUP1) Source: 13H Prepared: 08/28/13 Analyzed: 08/29/13 % Solids % Batch Blank ( BLK1) Prepared & Analyzed: 09/06/13 Ammonia as N ND mg/kg wet LCS ( BS1) Prepared & Analyzed: 09/06/13 Ammonia as N mg/kg wet LCS Dup ( BSD1) Prepared & Analyzed: 09/06/13 Ammonia as N mg/kg wet Duplicate ( DUP1) Source: 13H Prepared & Analyzed: 09/06/13 Ammonia as N mg/kg dry Matrix Spike ( MS1) Source: 13H Prepared & Analyzed: 09/06/13 Ammonia as N mg/kg dry Matrix Spike Dup ( MSD1) Source: 13H Prepared & Analyzed: 09/06/13 Ammonia as N mg/kg dry Batch Blank ( BLK1) Prepared & Analyzed: 08/30/13 Total Sulfide ND mg/kg wet The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 25 of 31

53 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Conventional Chemistry Parameters by Standard/EPA Methods - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch LCS ( BS1) Prepared & Analyzed: 08/30/ Total Sulfide mg/kg wet LCS Dup ( BSD1) Prepared & Analyzed: 08/30/13 Total Sulfide mg/kg wet Calibration Check ( CCV1) Prepared & Analyzed: 08/30/13 Total Sulfide mg/kg wet Duplicate ( DUP1) Source: 13H Prepared & Analyzed: 08/30/13 Total Sulfide mg/kg dry Matrix Spike ( MS1) Source: 13H Prepared & Analyzed: 08/30/13 Total Sulfide mg/kg dry QM-05 Matrix Spike Dup ( MSD1) Source: 13H Prepared & Analyzed: 08/30/13 Total Sulfide mg/kg dry QM-05 The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 26 of 31

54 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 TPH by EPA 8015B - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 08/30/13 Analyzed: 08/31/13 Diesel (C10-C28) ND mg/kg dry Extended Range HC (C28-C40) ND Surrogate: 4-Bromofluorobenzene LCS ( BS1) Prepared: 08/30/13 Analyzed: 08/31/13 Diesel (C10-C28) mg/kg dry Surrogate: 4-Bromofluorobenzene LCS Dup ( BSD1) Prepared: 08/30/13 Analyzed: 08/31/13 Diesel (C10-C28) mg/kg dry Surrogate: 4-Bromofluorobenzene Duplicate ( DUP1) Source: 13H Prepared: 08/30/13 Analyzed: 08/31/13 Diesel (C10-C28) ND mg/kg dry Extended Range HC (C28-C40) ND ND 30 Surrogate: 4-Bromofluorobenzene Matrix Spike ( MS1) Source: 13H Prepared: 08/30/13 Analyzed: 08/31/13 Diesel (C10-C28) mg/kg dry Surrogate: 4-Bromofluorobenzene Matrix Spike Dup ( MSD1) Source: 13H Prepared: 08/30/13 Analyzed: 08/31/13 Diesel (C10-C28) mg/kg dry Surrogate: 4-Bromofluorobenzene Batch Blank ( BLK1) Prepared & Analyzed: 09/04/13 Gasoline (C6-C10) ND mg/kg wet Surrogate: 4-Bromofluorobenzene The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 27 of 31

55 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 TPH by EPA 8015B - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch LCS ( BS1) Prepared & Analyzed: 09/04/13 Gasoline (C6-C10) mg/kg wet Surrogate: 4-Bromofluorobenzene LCS Dup ( BSD1) Prepared & Analyzed: 09/04/13 Gasoline (C6-C10) mg/kg wet Surrogate: 4-Bromofluorobenzene Duplicate ( DUP1) Source: 13H Prepared & Analyzed: 09/04/13 Gasoline (C6-C10) ND mg/kg dry ND 30 R-06 Surrogate: 4-Bromofluorobenzene Matrix Spike ( MS1) Source: 13H Prepared & Analyzed: 09/04/13 Gasoline (C6-C10) mg/kg dry ND Surrogate: 4-Bromofluorobenzene Matrix Spike Dup ( MSD1) Source: 13H Prepared & Analyzed: 09/04/13 Gasoline (C6-C10) mg/kg dry ND Surrogate: 4-Bromofluorobenzene The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 28 of 31

56 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organotin Compounds by GC - FPD - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Blank ( BLK1) Prepared: 08/28/13 Analyzed: 09/09/13 Tetrabutyltin ND ug/kg wet Tributyltin ND Dibutyltin ND Monobutyltin ND Total Organotins ND Surrogate: Tripentyltin Surrogate: Tri-n-propyltin LCS ( BS1) Prepared: 08/28/13 Analyzed: 09/09/13 Tetrabutyltin ug/kg wet Tributyltin Dibutyltin Monobutyltin Surrogate: Tripentyltin Surrogate: Tri-n-propyltin LCS Dup ( BSD1) Prepared: 08/28/13 Analyzed: 09/09/13 Tetrabutyltin ug/kg wet Tributyltin Dibutyltin Monobutyltin Surrogate: Tripentyltin Surrogate: Tri-n-propyltin Duplicate ( DUP1) Source: 13H Prepared: 08/28/13 Analyzed: 09/09/13 Tetrabutyltin ND ug/kg dry ND 30 Tributyltin ND ND 30 Dibutyltin ND ND 30 Monobutyltin ND ND 30 Total Organotins ND ND 30 Surrogate: Tripentyltin Surrogate: Tri-n-propyltin The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 29 of 31

57 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 Organotin Compounds by GC - FPD - Quality Control Analyte Result MDL Reporting Limit Units Spike Level Source Result %REC %REC Limits RPD RPD Limit Notes Batch Matrix Spike ( MS1) Source: 13H Prepared: 08/28/13 Analyzed: 09/09/13 Tetrabutyltin ug/kg dry 67.4 ND Tributyltin ND Dibutyltin ND Monobutyltin ND Surrogate: Tripentyltin Surrogate: Tri-n-propyltin Matrix Spike Dup ( MSD1) Source: 13H Prepared: 08/28/13 Analyzed: 09/09/13 Tetrabutyltin ug/kg dry 67.4 ND Tributyltin ND Dibutyltin ND Monobutyltin ND Surrogate: Tripentyltin Surrogate: Tri-n-propyltin The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 30 of 31

58 Client Name: Pacific Affiliates Project Name: Sediment Testing 2013 EMA Log #: 13H0768 R-06 Sample dilution was necessary due to nature of the matrix. Notes and Definitions QR-02 QM-06 QM-05 J ND NR dry RPD MDL The RPD result exceeded the QC limits due to non-homogeneity of sample. Due to noted non-homogeneity of the QC sample matrix, the MS/MSD did not provide reliable results for accuracy and precision. Sample results for the QC batch were accepted based on LCS/LCSD percent recoveries and RPD values. The spike recovery was outside acceptance limits for the MS and/or MSD due to matrix interference. The LCS and/or LCSD were within acceptance limits showing that the laboratory is in control and the data is acceptable. Detected but below the Reporting Limit; therefore, result is an estimated concentration (CLP J-Flag). Analyte NOT DETECTED at or above the reporting limit (or method detection limit when specified) Not Reported Sample results reported on a dry weight basis (if indicated in units column) Relative Percent Difference Method detection limit (indicated per client's request) The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. EnviroMatrix Analytical, Inc. Page 31 of 31

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99