LOG OF BORING NO. B-1

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1 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-1 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf FILL, lean clay with some silt, trace root hairs and limestone fragments, brown (7) 4* 2.5 LEAN AY, some silt and trace coarse sand and subrounded fine gravel, brown, very stiff (GLACIAL TILL) (11) (11) 7* 8* 7.5 SAY LEAN AY, brownish gray, very stiff (GLACIAL TILL) (8) 8* -grades very moist at ' (6) (92) 15 SAY LEAN AY, moderately plastic, with trace fine gravel and rock fragments, blackish-gray, stiff to hard, grades gray at 15.5' (GLACIAL TILL) (29) (28) 8* 4* BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/ Boring Completed at 26.5 ft. NOTE: Piezometer installed in borehole. The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL N/E WD WL N/E AB WL (41) (27) (36) BORING STARTED BORING COMPLETED RIG 8* 9* 9* *Calibrated Hand Penetrometer Track FOREMAN AM LOGGED NCD JOB # N111522

2 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-2 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf SAY LEAN AY, trace limestone fragments, trace root hairs, trace subrounded coarse gravel and trace subrounded fine gravel, grayish-brown, stiff to very stiff (POIBLE FILL) (6) (16) 3* 6* 5 LEAN AY, trace sand and subrounded gravel, brown, very stiff (GLACIAL TILL) (12) 6* (19) 8* () 9* 12.5 LEAN AY, with trace fine sand and silt, brown, very stiff (ALLUVIUM) (8) 6* (14) 7* 17.5 SAY LEAN AY, brown and reddish-brown, medium stiff (ALLUVIUM) (4) 2* BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL LEAN AY, with trace sand and subrounded gravel, very stiff (GLACIAL TILL) Boring Completed at 26.5 ft. NOTE: Piezometer installed in borehole. The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft 23. N/E WD AB (23) (37) (34) BORING STARTED BORING COMPLETED RIG 8* 7* 7* *Calibrated Hand Penetrometer Track FOREMAN AM LOGGED NCD JOB # N111522

3 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-3 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf FILL, sandy lean clay, trace gravel and rock fragments, cinders, brown (8) 7* 2.5 LEAN AY, with trace silt and fine sand, reddish brown, stiff to medium stiff (ALLUVIUM) -grades brown at 5' (6) (5) 4* 2* (15) 2* 12 LEAN AY, with limestone fragments, brown, stiff (12) (17) 2* 4* 15 SAY LEAN AY, some gravel, brown, soft () 5* SAY LEAN AY, gray, hard (GLACIAL TILL) Boring Completed at 19 ft (22) 9* BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL 13. WD WL 13. AB WL *Calibrated Hand Penetrometer BORING STARTED BORING COMPLETED RIG Track FOREMAN AM LOGGED NCD JOB # N111522

4 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-4 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf.5 ASPHALT (-.5') FILL, sandy lean clay, with gravel, dark grayish-brown, stiff to soft (1) (12) 3* (5) (3) 1* 1 LEAN AY, with trace silt and fine sand, brown and gray, stiff (7) 3* 12.5 FAT AY, laminated, brown, very stiff to stiff CH (13) 8* -Grades gray with occasional very thin silt seams at 17.5' 15 CH (11) 3* CH (13) 6* BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL SAY LEAN AY, trace gravel, gray, very stiff to hard (GLACIAL TILL) Boring Completed at 26.5 ft. NOTE: Piezometer installed in borehole. The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft N/E N/E WD AB 2 25 CH (21) (17) (25) BORING STARTED BORING COMPLETED RIG 8* 8* 9* *Calibrated Hand Penetrometer Track FOREMAN AM LOGGED NCD JOB # N111522

5 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-5 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf ASPHALT (.5') GRAVEL BASE (.5') LEAN AY, trace sand and fine gravel, grayish-brown, bluish-gray, trace reddish-brown, very stiff to stiff (POIBLE FILL) LEAN AY, with silt and sand with very thin fine sand seams, bluish gray and olive gray, very stiff (ALLUVIUM) FAT AY, laminated, with 1/4"-3/4" thick gray or brown silt layers, brown, hard to very stiff (LAKEBED) 5 1 CH CH (12) (9) (14) (14) (23) 7* 4* 8* 9* 9* CH (21) 9* 15 CH (26) 8* 17.5 SAY LEAN AY, trace subrounded fine gravel, gray, hard (GLACIAL TILL) (31) 9 BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL SILTY SA, trace clay, gray, dense (ALLUVIUM) GRAVEL A SA, trace clay and silt, brown, dense (ALLUVIUM) SILTY SA, with silt layers, gray, dense (ALLUVIUM) SILT A AY, gray, hard The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual WD AB Page 1 of 1 WATER LEVEL OBSERVATIONS, ft 21. at 24 hrs SP GP SP SP ML (33) (47) (36) (36) (31) BORING STARTED BORING COMPLETED RIG 9* *Calibrated Hand Penetrometer Truck FOREMAN JM LOGGED NCD JOB # N111522

6 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio LOG OF BORING NO. B-5 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS Page 1 of 1 GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf FAT AY, with occasional very thin silt seams, moderately laminated to laminated gray, hard to medium stiff (LAKEBED) 35 CH CH (22) () 9* 3* CH (23) 2* 4 CH (26) 3* 42.5 SAY LEAN AY, gray, very stiff (ALLUVIUM) (33) 7* 46.5 Boring Completed at 46.5 ft (27) 7* NOTE: Piezometer installed in borehole. BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL 22.5 WD 21. at 24 hrs WL 2. AB WL *Calibrated Hand Penetrometer BORING STARTED BORING COMPLETED RIG Truck FOREMAN JM LOGGED NCD JOB # N111522

7 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-6 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf ASPHALT (.5') GRAVEL BASE (.5') FILL, lean clay, moderately plastic, trace sand, grayish-brown and reddish-brown LEAN AY, reddish-brown with black iron oxide stains, very stiff LEAN AY, moderately plastic, trace gravel, trace iron oxide stains, brown and olive brown, very stiff (14) (14) (2) (21) 8* 7* 8* 6* 1 SILT, trace clay, olive-gray and olive-brown, medium dense (ALLUVIUM) 1 ML (16) ML (21) 15 SILTY SA, brown, medium dense to dense (ALLUVIUM) 15 SM (27) -Grades silty at 2-2.5' SM (34) BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL 2.5 FAT AY, laminated, with occasional silt seams, gray, very stiff to stiff (LAKEBED) -Plasticity decreases with depth The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft 15. N/E WD AB Page 1 of 1. at 24 hrs CH CH CH CH (39) (23) (2) (12) BORING STARTED BORING COMPLETED RIG 8* 8* 3* *Calibrated Hand Penetrometer Truck FOREMAN JM LOGGED NCD JOB # N111522

8 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio LOG OF BORING NO. B-6 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS Page 1 of 1 GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf FAT AY, laminated, with occasional silt seams, gray, very stiff to stiff (LAKEBED) -Plasticity decreases with depth 35 CH (11) 5* 4 CH CH (16) (19) 6* 6* CH (17) 4* 45 LEAN AY, gray, very stiff to stiff (LAKEBED) (23) 51.5 Boring Completed at 51.5 ft (15) BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL 15. WD. at 24 hrs WL N/E AB WL *Calibrated Hand Penetrometer BORING STARTED BORING COMPLETED RIG Truck FOREMAN JM LOGGED NCD JOB # N111522

9 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-7 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf.3.8 ASPHALT (.3') CONCRETE (.5') UIFFERENTIATED This zone was potholed to locate utilities. No sampling performed LEAN AY, moderately plastic, trace sand, iron oxide stains, brown with gray mottles, very stiff (16) (33) 8* 8* SILTY SA, trace clay and trace limestone fragments, reddish-brown, very dense SAY LEAN AY, trace gravel, gray with reddish-brown mottles, hard to very stiff (GLACIAL TILL) -Grades gray at 17.5' 15 SM (54) (5) (73) 9* 9* BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL SILT, trace clay, gray, medium dense LEAN AY, with some silt and silt seams, gray, very stiff The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. N/E N/E WD AB Page 1 of 1 WATER LEVEL OBSERVATIONS, ft ML (37) (31) 6-9- (27) () (24) BORING STARTED BORING COMPLETED RIG 8* 8* 9* 6* *Calibrated Hand Penetrometer Truck FOREMAN JM LOGGED NCD JOB # N111522

10 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio LOG OF BORING NO. B-7 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS Page 1 of 1 GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf LEAN AY, with some silt and silt seams, gray, very stiff (27) 8* 35 SAY LEAN AY, trace subrounded, gravel, gray, very stiff hard (GLACIAL TILL) (34) 7* (44) (3) 9* 42.5 SILT, trace clay, gray, medium dense ML (25) 45 FAT AY, moderately laminated, grayish-brown, very stiff (LAKEBED) 45 CH (26) 8* 49 Boring Completed at 49 ft. CH (24) 8* NOTE: Piezometer installed in borehole. BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL N/E WD WL N/E AB WL *Calibrated Hand Penetrometer BORING STARTED BORING COMPLETED RIG Truck FOREMAN JM LOGGED NCD JOB # N111522

11 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-8 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf.3.8 ASPHALT (.3') CONCRETE (.5') LEAN AY, moderately plastic, trace sand, gray and brown, trace reddish-brown iron oxide stains, very stiff (11) (12) 8* 8* (1) 7* 7.5 SAY LEAN AY, trace gravel, olive-gray with reddish-brown iron oxide stains, hard (GLACIAL TILL) (32) (45) 9* 9* 12.5 SILT, brown, dense ML (31) 15 SILTY FINE SA, brown, dense (ALLUVIUM) 15 SM (34) SM (43) BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL AYEY SILT, brown, medium dense to dense The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WD AB Page 1 of 1 15 at 24 hrs SM SM SM ML ML (44) (44) (41) (19) (34) BORING STARTED BORING COMPLETED RIG *Calibrated Hand Penetrometer Truck FOREMAN JM LOGGED NCD JOB # N111522

12 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio LOG OF BORING NO. B-8 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS Page 1 of 1 GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf SILTY FINE SA, brown, dense SM (35) 35 LEAN AY, moderately plastic, laminated with occasional very thin silt seams, brownish-gray, very stiff to stiff (LAKEBED) -intermediate fat clay layer at ' (27) (17) (26) 8* 6* 4* 42.5 SILT, trace clay, gray, dense ML (34) 46.5 Boring Completed at 46.5 ft. 45 ML (34) NOTE: Piezometer installed in borehole. BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL 12.5 WD 15 at 24 hrs WL 12.5 AB WL *Calibrated Hand Penetrometer BORING STARTED BORING COMPLETED RIG Truck FOREMAN JM LOGGED NCD JOB # N111522

13 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio Boring Location: As Shown on Exhibit LOG OF BORING NO. B-9 Page 1 of 1 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf.3.8 ASPHALT (.3') CONCRETE (.5') LEAN AY, trace fine sand and silt, reddish-brown and gray, very stiff (ALLUVIUM) (13) (21) 7* 7* (17) 8* 7.5 LEAN AY, with some silt, bluish-gray and olive-brown, stiff to very stiff (ALLUVIUM), grades reddish-brown with trace gray mottles and black iron oxide stains at 1' (7) (25) 4* 8* 12.5 SILT, with trace clay and trace fine sand, brown, medium dense ML (15) 15 ML (26) 17.5 FAT AY, dark grayish-brown, hard to very stiff (LAKEBED) CH (28) 9* BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 WL WL WL -Plasticity varies with depth -Grades laminated at 22.5' -very thin silt seams at ' The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. N/E N/E WD AB Page 1 of 1 WATER LEVEL OBSERVATIONS, ft CH CH CH CH CH (22) (23) () (21) (25) BORING STARTED BORING COMPLETED RIG 8* 8* 8* 7* 6* *Calibrated Hand Penetrometer Truck FOREMAN JM LOGGED NCD JOB # N111522

14 IENT Metropolitan Sewer District of Greater Cincinnati SITE Marburg Avenue Cincinnati, Ohio LOG OF BORING NO. B-9 ELEVATION REFERENCE PROJECT MSDGC Upper Duck All Bundle SAMPLES TESTS Page 1 of 1 GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL NUMBER TYPE RECOVERY, in. BLOWS / 6in. (SPT - N) WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf FAT AY, dark grayish-brown, hard to very stiff (LAKEBED) CH () 7* -Plasticity varies with depth -Grades laminated at 22.5' -very thin silt seams at ' 35 CH () 8* CH (17) 7* 4 CH () 8* CH (2) 8* 46.5 Boring Completed at 46.5 ft. 45 CH (19) 6* NOTE: Piezometer installed in borehole. BOREHOLE_99 N TEST BORING LOGS.GPJ HCNTERRACON2139.GDT 12/16/11 The stratification lines represent the approximate boundary lines between soil and rock types: in-situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft WL N/E WD WL N/E AB WL *Calibrated Hand Penetrometer BORING STARTED BORING COMPLETED RIG Truck FOREMAN JM LOGGED NCD JOB # N111522

43 February 1, 212 Revised April 23, 212 Metropolitan Sewer District of Greater Cincinnati 16 Gest Street Cincinnati, Ohio 4524 Attn: Re: Mr. Ali Bahar E: Report of Drilling Oversight and Environmental Monitoring Oakley Station at Center of Cincinnati Marburg Avenue and Disney Street Cincinnati, Hamilton County, Ohio Terracon Project Number: N Dear Mr. Bahar: Terracon Consultants, Inc. (Terracon) is pleased to submit this letter report detailing the Drilling Oversight and Environmental Monitoring services conducted at the above-referenced site. Based on previous investigative work conducted at the site by Hull and Associates, Inc. (provided to Terracon by Mr. Steve Dragon of Vandercar Holdings), the chemical constituent benzo(a)pyrene, a polyaromatic hydrocarbon (PAH), was detected above potentially applicable or relevant standards at this site. As a result, Terracon recommended monitoring the breathing zone during proposed excavation activities and soil sample analysis if headspace monitoring (via a photoionization detector [PID]) indicated a potential concern. The environmental services consisted of observation and monitoring of total organic volatile compounds (TOVCs) in soil head space with a hand held monitor (Mimi Rae 3 PID) during the geotechnical drilling services conducted at the above-referenced site. Terracon was on site during geotechnical drilling activities only to visually observe and screen the auger spoils (cuttings), groundwater encountered during drilling, and to provide monitoring of ambient air (breathing zone) during work hours. If headspace readings of soil samples indicated elevated levels above background, a soil sample was collected, properly containerized, and submitted for analytical testing of volatile organic compounds (VOCs) and PAHs. Mr. Jeremy Hatfield and Mr. Jason Gill, environmental technicians with Terracon, observed the drilling activities in November and December 211. They field screened the drill cuttings and soil samples collected during the drilling activities for borings 1 through 9. Based on observation and monitoring of TOVCs with the PID, no elevated organic vapor readings above background were noted during the drilling activities, with the exception of borings B-1 and B-6. Headspace screening indicated elevated levels of TOVCs in two of the soil samples screened from borings B-1 and B-6 in the area where the proposed tunnel will be Terracon Consultants, Inc. 611 Lunken Park Drive. Cincinnati, Ohio P [513] F [513] terracon.com

44 MSDGC Marburg Avenue Cincinnati Ohio Revised April 24, 212 (February 1, 212) Project No. N constructed. These two soil samples (B-1 at feet below ground surface and B ft bgs) were submitted for analytical testing of VOCs and PAHs (laboratory report attached). The results of the analytical testing indicated no chemical concentrations above the laboratory method detection limits except for acetone at 7.7 parts per billions at a depth of ft bgs. Terracon considers the presence of acetone in this sample a lab artifact. Based on the field screening and the limited analytical testing, it is Terracon s opinion that further investigation is not warranted at this time. We appreciate the opportunity to provide these environmental services to the MSDGC. If you have any questions, please contact us at your convenience. Respectfully submitted, Kevin P. Reid, P.G. Project Geologist Randy Bishop, P.G., C.P. Department Manager-Environmental Services Attachment: Analytical Results Responsive Resourceful Reliable

45 8-Dec-211 Randy Bishop Terracon 611 Lunken Park Drive, P.O. Box C Cincinnati, OH Tel: Fax: Re: Oakley Station Drilling; N Work Order: Dear Randy, ALS Environmental received 1 sample on 2-Dec-211 9:51 AM for the analyses presented in the following report. The analytical data provided relates directly to the samples received by ALS Environmental and for only the analyses requested. QC sample results for this data met laboratory specifications. Any exceptions are noted in the Case Narrative, or noted with qualifiers in the report or QC batch information. Should this laboratory report need to be reproduced, it should be reproduced in full unless written approval has been obtained from ALS Laboratory Group. Samples will be disposed in 3 days unless storage arrangements are made. The total number of pages in this report is 14. If you have any questions regarding this report, please feel free to contact me. Sincerely, Jim Baxter Electronically approved by: Mark Johnson Jim Baxter Director ADDRE 4388 Glendale Milford Rd Cincinnati, Ohio PHONE (513) FAX (513) ALS GROUP USA, CORP Part of the ALS Laboratory Group A Campbell Brothers Limited Company

46 ALS Environmental Date: 8-Dec-11 Client: Terracon Project: Oakley Station Drilling; N Work Order: Work Order Sample Summary Lab Samp ID Client Sample ID Matrix Tag Number Collection Date Date Received B-6 ( ) Soil 12/1/211 15:9 12/2/211 9:51 Hold Page 1 of 1

47 ALS Environmental Client: Terracon Project: Oakley Station Drilling; N Work Order: Date: 8-Dec-11 Case Narrative The analyses requested were analyzed according to Ohio Voluntary Action Program requirements. CN Page 1 of 1

48 ALS Environmental Date: 8-Dec-11 Client: Terracon Project: Oakley Station Drilling; N Work Order: Sample ID: B-6 ( ) Lab ID: Collection Date: 12/1/211 3:9 PM Matrix: SOIL Analyses Result Qual Report Dilution Limit Units Factor Date Analyzed PAH COMPOUS SW827C Prep Date: 12/5/211 Analyst: J 1-Methylnaphthalene 24 µg/kg-dry 1 12/5/211 7:55 PM 2-Methylnaphthalene 24 µg/kg-dry 1 12/5/211 7:55 PM Acenaphthene 24 µg/kg-dry 1 12/5/211 7:55 PM Acenaphthylene 24 µg/kg-dry 1 12/5/211 7:55 PM Anthracene 24 µg/kg-dry 1 12/5/211 7:55 PM Benzo(a)anthracene 12 µg/kg-dry 1 12/5/211 7:55 PM Benzo(a)pyrene 24 µg/kg-dry 1 12/5/211 7:55 PM Benzo(b)fluoranthene 24 µg/kg-dry 1 12/5/211 7:55 PM Benzo(g,h,i)perylene 24 µg/kg-dry 1 12/5/211 7:55 PM Benzo(k)fluoranthene 24 µg/kg-dry 1 12/5/211 7:55 PM Carbazole 24 µg/kg-dry 1 12/5/211 7:55 PM Chrysene 24 µg/kg-dry 1 12/5/211 7:55 PM Dibenzo(a,h)anthracene 24 µg/kg-dry 1 12/5/211 7:55 PM Dibenzofuran 24 µg/kg-dry 1 12/5/211 7:55 PM Fluoranthene 24 µg/kg-dry 1 12/5/211 7:55 PM Fluorene 24 µg/kg-dry 1 12/5/211 7:55 PM Indeno(1,2,3-cd)pyrene 12 µg/kg-dry 1 12/5/211 7:55 PM Naphthalene 24 µg/kg-dry 1 12/5/211 7:55 PM Phenanthrene 24 µg/kg-dry 1 12/5/211 7:55 PM Pyrene 24 µg/kg-dry 1 12/5/211 7:55 PM Surr: 2-Fluorobiphenyl %REC 1 12/5/211 7:55 PM VOLATILE ORGANIC COMPOUS SW826 Analyst: LAK 1,1,1,2-Tetrachloroethane 12/5/211 1:59 PM 1,1,1-Trichloroethane 12/5/211 1:59 PM 1,1,2,2-Tetrachloroethane 12/5/211 1:59 PM 1,1,2-Trichloroethane 12/5/211 1:59 PM 1,1-Dichloroethane 12/5/211 1:59 PM 1,1-Dichloroethene 12/5/211 1:59 PM 1,1-Dichloropropene 12/5/211 1:59 PM 1,2,3-Trichlorobenzene 12/5/211 1:59 PM 1,2,3-Trichloropropane 12/5/211 1:59 PM 1,2,4-Trichlorobenzene 12/5/211 1:59 PM 1,2,4-Trimethylbenzene 12/5/211 1:59 PM 1,2-Dibromo-3-chloropropane 12/5/211 1:59 PM 1,2-Dibromoethane 12/5/211 1:59 PM 1,2-Dichlorobenzene 12/5/211 1:59 PM 1,2-Dichloroethane 12/5/211 1:59 PM 1,2-Dichloropropane 12/5/211 1:59 PM Note: AR Page 1 of 3

49 ALS Environmental Date: 8-Dec-11 Client: Terracon Project: Oakley Station Drilling; N Work Order: Sample ID: B-6 ( ) Lab ID: Collection Date: 12/1/211 3:9 PM Matrix: SOIL Analyses Result Qual Report Dilution Limit Units Factor Date Analyzed 1,3,5-Trimethylbenzene 1,3-Dichlorobenzene 1,3-Dichloropropane 1,4-Dichlorobenzene 2,2-Dichloropropane 2-Butanone 2-Chlorotoluene 2-Hexanone 4-Chlorotoluene 4-Methyl-2-pentanone Acetone Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane cis-1,2-dichloroethene cis-1,3-dichloropropene Dibromochloromethane Dibromomethane Dichlorodifluoromethane Ethylbenzene Hexachlorobutadiene Isopropylbenzene m,p-xylene Methyl tert-butyl ether Methylene chloride Naphthalene n-butylbenzene n-propylbenzene o-xylene p-isopropyltoluene sec-butylbenzene /5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM Note: AR Page 2 of 3

50 ALS Environmental Date: 8-Dec-11 Client: Terracon Project: Oakley Station Drilling; N Work Order: Sample ID: B-6 ( ) Lab ID: Collection Date: 12/1/211 3:9 PM Matrix: SOIL Analyses Result Qual Report Dilution Limit Units Factor Date Analyzed Styrene tert-butylbenzene Tetrachloroethene Toluene trans-1,2-dichloroethene trans-1,3-dichloropropene Trichloroethene Trichlorofluoromethane Vinyl chloride Xylenes, Total Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d %REC %REC %REC 1 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM 12/5/211 1:59 PM MOISTURE SM254B Prep Date: 12/6/211 Analyst: CTS Moisture 17.1 % of sample 1 12/7/211 Note: AR Page 3 of 3

51 ALS Environmental Client: Terracon Work Order: Project: Oakley Station Drilling; N Date: 8-Dec-11 QC BATCH REPORT Batch ID: 8945 Instrument ID SVMS3 Method: SW827C MBLK Sample ID: MBLK Units: µg/kg Client ID: Run ID: SVMS3_11125A SeqNo: Analysis Date: Prep Date: 12/5/211 12/5/211 3:36 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1-Methylnaphthalene 2 2-Methylnaphthalene 2 Acenaphthene 2 Acenaphthylene 2 Anthracene 2 Benzo(a)anthracene 1 Benzo(a)pyrene 2 Benzo(b)fluoranthene 2 Benzo(g,h,i)perylene 2 Benzo(k)fluoranthene 2 Carbazole 2 Chrysene 2 Dibenzo(a,h)anthracene 2 Dibenzofuran 2 Fluoranthene 2 Fluorene 2 Indeno(1,2,3-cd)pyrene 1 Naphthalene 2 Phenanthrene 2 Pyrene 2 Surr: 2-Fluorobiphenyl Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 1 of 6

52 Client: Terracon Work Order: Project: Oakley Station Drilling; N QC BATCH REPORT Batch ID: 8945 Instrument ID SVMS3 Method: SW827C LCS Sample ID: LCS Units: µg/kg Client ID: Run ID: SVMS3_11125A SeqNo: Analysis Date: Prep Date: 12/5/211 12/5/211 4:5 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3-cd)pyrene Naphthalene Phenanthrene Pyrene Surr: 2-Fluorobiphenyl MS Sample ID: ams Units: µg/kg Client ID: Run ID: SVMS3_11125A SeqNo: 363 Analysis Date: Prep Date: 12/5/211 12/5/211 4:33 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3-cd)pyrene Naphthalene Phenanthrene Pyrene Surr: 2-Fluorobiphenyl Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 2 of 6

53 Client: Terracon Work Order: Project: Oakley Station Drilling; N QC BATCH REPORT Batch ID: 8945 Instrument ID SVMS3 Method: SW827C MSD Sample ID: amsd Units: µg/kg Client ID: Run ID: SVMS3_11125A SeqNo: Analysis Date: Prep Date: 12/5/211 12/5/211 5:2 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3-cd)pyrene Naphthalene Phenanthrene Pyrene Surr: 2-Fluorobiphenyl The following samples were analyzed in this batch: b Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 3 of 6

54 Client: Terracon Work Order: Project: Oakley Station Drilling; N QC BATCH REPORT Batch ID: R86986 Instrument ID VMS2 Method: SW826 MBLK Sample ID: MBLK-R86986 Units: µg/kg Client ID: Run ID: VMS2_11125A SeqNo: Prep Date: Analysis Date: 12/5/211 11:42 AM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD 1,1,1,2-Tetrachloroethane 5. 1,1,1-Trichloroethane 5. 1,1,2,2-Tetrachloroethane 5. 1,1,2-Trichloroethane 5. 1,1-Dichloroethane 5. 1,1-Dichloroethene 5. 1,1-Dichloropropene 5. 1,2,3-Trichlorobenzene 5. 1,2,3-Trichloropropane 5. 1,2,4-Trichlorobenzene 5. 1,2,4-Trimethylbenzene 5. 1,2-Dibromo-3-chloropropane 5. 1,2-Dibromoethane 5. 1,2-Dichlorobenzene 5. 1,2-Dichloroethane 5. 1,2-Dichloropropane 5. 1,3,5-Trimethylbenzene 5. 1,3-Dichlorobenzene 5. 1,3-Dichloropropane 5. 1,4-Dichlorobenzene 5. 2,2-Dichloropropane 5. 2-Butanone 5. 2-Chlorotoluene 5. 2-Hexanone 5. 4-Chlorotoluene 5. 4-Methyl-2-pentanone 5. Acetone 5. Benzene 5. Bromobenzene 5. Bromochloromethane 5. Bromodichloromethane 5. Bromoform 5. Bromomethane 5. Carbon disulfide 5. Carbon tetrachloride 5. Chlorobenzene 5. Chloroethane 5. Chloroform 5. Chloromethane 5. cis-1,2-dichloroethene 5. cis-1,3-dichloropropene 5. Dibromochloromethane 5. RPD Limit Qual Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 4 of 6

55 Client: Terracon Work Order: Project: Oakley Station Drilling; N QC BATCH REPORT Batch ID: R86986 Instrument ID VMS2 Method: SW826 Dibromomethane 5. Dichlorodifluoromethane 5. Ethylbenzene 5. Hexachlorobutadiene 5. Isopropylbenzene 5. m,p-xylene 5. Methyl tert-butyl ether 5. Methylene chloride 5. Naphthalene 5. n-butylbenzene 5. n-propylbenzene 5. o-xylene 5. p-isopropyltoluene 5. sec-butylbenzene 5. Styrene 5. tert-butylbenzene 5. Tetrachloroethene 5. Toluene 5. trans-1,2-dichloroethene 5. trans-1,3-dichloropropene 5. Trichloroethene 5. Trichlorofluoromethane 5. Vinyl chloride 5. Xylenes, Total 5. Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d LCS Sample ID: LCS-R86986 Units: µg/kg Client ID: Run ID: VMS2_11125A SeqNo: Prep Date: Analysis Date: 12/5/211 11:1 AM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 5 of 6

56 Client: Terracon Work Order: Project: Oakley Station Drilling; N QC BATCH REPORT Batch ID: R86986 Instrument ID VMS2 Method: SW826 MS Sample ID: A MS Units: µg/kg Client ID: Run ID: VMS2_11125A SeqNo: 3634 Prep Date: Analysis Date: 12/5/211 5:12 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d MSD Sample ID: A MSD Units: µg/kg Client ID: Run ID: VMS2_11125A SeqNo: Prep Date: Analysis Date: 12/5/211 1: PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d The following samples were analyzed in this batch: A Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 6 of 6

57 ALS Environmental Client: Terracon Project: Oakley Station Drilling; N WorkOrder: Date: 8-Dec-11 QUALIFIERS, ACRONYMS, UNITS Qualifier * a B E H J n O P R S U Acronym DUP LCS LCSD MBLK MDL MQL MS MSD PDS PQL SDL Description Description Units Reported Description % of sample µg/kg Value exceeds Regulatory Limit Not accredited Analyte detected in the associated Method Blank above the Reporting Limit Value above quantitation range Analyzed outside of Holding Time Analyte detected below quantitation limit Not offered for accreditation Not Detected at the Reporting Limit Sample amount is > 4 times amount spiked Dual Column results percent difference > 4% RPD above laboratory control limit Spike Recovery outside laboratory control limits Analyzed but not detected above the MDL Method Duplicate Laboratory Control Sample Laboratory Control Sample Duplicate Method Blank Method Detection Limit Method Quantitation Limit Matrix Spike Matrix Spike Duplicate Post Digestion Spike Practical Quantitaion Limit Sample Detection Limit QF Page 1 of 1

58 ALS Environmental Sample Receipt Checklist Client Name: TERRACON-CINCINNATI Date/Time Received: 2-Dec-11 9:51 Work Order: Received by: KMK Checklist completed by Kelsey Kennedy Steve Wilcox 2-Dec-11 Reviewed by: esignature Date esignature 2-Dec-11 Date Matrices: Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No Temperature(s)/Thermometer(s): 2.4 Cooler(s)/Kit(s): Water - VOA vials have zero headspace? Yes No No VOA vials submitted Water - ph acceptable upon receipt? Yes No N/A ph adjusted? Yes No N/A ph adjusted by: Login Notes: VAP Client Contacted: Date Contacted: Person Contacted: Contacted By: Regarding: Comments: CorrectiveAction: SRC Page 1 of 1

60 6-Dec-211 Kevin Reid Terracon 611 Lunken Park Drive, P.O. Box C Cincinnati, OH Tel: Fax: Re: N Work Order: Dear Kevin, ALS Environmental received 1 sample on 23-Nov-211 1:4 PM for the analyses presented in the following report. The analytical data provided relates directly to the samples received by ALS Environmental and for only the analyses requested. QC sample results for this data met laboratory specifications. Any exceptions are noted in the Case Narrative, or noted with qualifiers in the report or QC batch information. Should this laboratory report need to be reproduced, it should be reproduced in full unless written approval has been obtained from ALS Laboratory Group. Samples will be disposed in 3 days unless storage arrangements are made. The total number of pages in this report is 13. If you have any questions regarding this report, please feel free to contact me. Sincerely, Jim Baxter Electronically approved by: Mark Johnson Jim Baxter Director ADDRE 4388 Glendale Milford Rd Cincinnati, Ohio PHONE (513) FAX (513) ALS GROUP USA, CORP Part of the ALS Laboratory Group A Campbell Brothers Limited Company

61 ALS Environmental Date: 6-Dec-11 Client: Terracon Project: N Work Order: Work Order Sample Summary Lab Samp ID Client Sample ID Matrix Tag Number Collection Date Date Received Hold B-1 S-3 (5-6.5) Soil 11/21/211 13: 11/23/211 13:4 Page 1 of 1

62 ALS Environmental Date: 6-Dec-11 Client: Terracon Project: N Work Order: Sample ID: B-1 S-3 (5-6.5) Lab ID: Collection Date: 11/21/211 1: PM Matrix: SOIL Analyses Result Qual Report Dilution Limit Units Factor Date Analyzed PAH COMPOUS SW827C Prep Date: 11/29/211 Analyst: J 1-Methylnaphthalene 23 µg/kg-dry 1 11/3/211 8:58 PM 2-Methylnaphthalene 23 µg/kg-dry 1 11/3/211 8:58 PM Acenaphthene 23 µg/kg-dry 1 11/3/211 8:58 PM Acenaphthylene 23 µg/kg-dry 1 11/3/211 8:58 PM Anthracene 23 µg/kg-dry 1 11/3/211 8:58 PM Benzo(a)anthracene 12 µg/kg-dry 1 11/3/211 8:58 PM Benzo(a)pyrene 23 µg/kg-dry 1 11/3/211 8:58 PM Benzo(b)fluoranthene 23 µg/kg-dry 1 11/3/211 8:58 PM Benzo(g,h,i)perylene 23 µg/kg-dry 1 11/3/211 8:58 PM Benzo(k)fluoranthene 23 µg/kg-dry 1 11/3/211 8:58 PM Carbazole 23 µg/kg-dry 1 11/3/211 8:58 PM Chrysene 23 µg/kg-dry 1 11/3/211 8:58 PM Dibenzo(a,h)anthracene 23 µg/kg-dry 1 11/3/211 8:58 PM Dibenzofuran 23 µg/kg-dry 1 11/3/211 8:58 PM Fluoranthene 23 µg/kg-dry 1 11/3/211 8:58 PM Fluorene 23 µg/kg-dry 1 11/3/211 8:58 PM Indeno(1,2,3-cd)pyrene 12 µg/kg-dry 1 11/3/211 8:58 PM Naphthalene 23 µg/kg-dry 1 11/3/211 8:58 PM Phenanthrene 23 µg/kg-dry 1 11/3/211 8:58 PM Pyrene 23 µg/kg-dry 1 11/3/211 8:58 PM Surr: 2-Fluorobiphenyl %REC 1 11/3/211 8:58 PM VOLATILE ORGANIC COMPOUS SW826 Analyst: LAK 1,1,1,2-Tetrachloroethane 11/28/211 1:39 PM 1,1,1-Trichloroethane 11/28/211 1:39 PM 1,1,2,2-Tetrachloroethane 11/28/211 1:39 PM 1,1,2-Trichloroethane 11/28/211 1:39 PM 1,1-Dichloroethane 11/28/211 1:39 PM 1,1-Dichloroethene 11/28/211 1:39 PM 1,1-Dichloropropene 11/28/211 1:39 PM 1,2,3-Trichlorobenzene 11/28/211 1:39 PM 1,2,3-Trichloropropane 11/28/211 1:39 PM 1,2,4-Trichlorobenzene 11/28/211 1:39 PM 1,2,4-Trimethylbenzene 11/28/211 1:39 PM 1,2-Dibromo-3-chloropropane 11/28/211 1:39 PM 1,2-Dibromoethane 11/28/211 1:39 PM 1,2-Dichlorobenzene 11/28/211 1:39 PM 1,2-Dichloroethane 11/28/211 1:39 PM 1,2-Dichloropropane 11/28/211 1:39 PM Note: AR Page 1 of 3

63 ALS Environmental Date: 6-Dec-11 Client: Terracon Project: N Work Order: Sample ID: B-1 S-3 (5-6.5) Lab ID: Collection Date: 11/21/211 1: PM Matrix: SOIL Analyses Result Qual Report Dilution Limit Units Factor Date Analyzed 1,3,5-Trimethylbenzene 1,3-Dichlorobenzene 1,3-Dichloropropane 1,4-Dichlorobenzene 2,2-Dichloropropane 2-Butanone 2-Chlorotoluene 2-Hexanone 4-Chlorotoluene 4-Methyl-2-pentanone Acetone Benzene Bromobenzene Bromochloromethane Bromodichloromethane Bromoform Bromomethane Carbon disulfide Carbon tetrachloride Chlorobenzene Chloroethane Chloroform Chloromethane cis-1,2-dichloroethene cis-1,3-dichloropropene Dibromochloromethane Dibromomethane Dichlorodifluoromethane Ethylbenzene Hexachlorobutadiene Isopropylbenzene m,p-xylene Methyl tert-butyl ether Methylene chloride Naphthalene n-butylbenzene n-propylbenzene o-xylene p-isopropyltoluene sec-butylbenzene 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM Note: AR Page 2 of 3

64 ALS Environmental Date: 6-Dec-11 Client: Terracon Project: N Work Order: Sample ID: B-1 S-3 (5-6.5) Lab ID: Collection Date: 11/21/211 1: PM Matrix: SOIL Analyses Result Qual Report Dilution Limit Units Factor Date Analyzed Styrene tert-butylbenzene Tetrachloroethene Toluene trans-1,2-dichloroethene trans-1,3-dichloropropene Trichloroethene Trichlorofluoromethane Vinyl chloride Xylenes, Total Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d %REC %REC %REC 1 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM 11/28/211 1:39 PM MOISTURE SM254B Prep Date: 12/5/211 Analyst: CTS Moisture 14.1 % of sample 1 12/6/211 Note: AR Page 3 of 3

65 ALS Environmental Client: Terracon Work Order: Project: N Date: 6-Dec-11 QC BATCH REPORT Batch ID: 887 Instrument ID SVMS3 Method: SW827C MBLK Sample ID: MBLK Units: µg/kg Client ID: Run ID: SVMS3_11113A SeqNo: Analysis Date: Prep Date: 11/29/211 11/3/211 4:11 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1-Methylnaphthalene 2 2-Methylnaphthalene 2 Acenaphthene 2 Acenaphthylene 2 Anthracene 2 Benzo(a)anthracene 1 Benzo(a)pyrene 2 Benzo(b)fluoranthene 2 Benzo(g,h,i)perylene 2 Benzo(k)fluoranthene 2 Carbazole 2 Chrysene 2 Dibenzo(a,h)anthracene 2 Dibenzofuran 2 Fluoranthene 2 Fluorene 2 Indeno(1,2,3-cd)pyrene 1 Naphthalene 2 Phenanthrene 2 Pyrene 2 Surr: 2-Fluorobiphenyl Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 1 of 6

66 Client: Terracon Work Order: Project: N QC BATCH REPORT Batch ID: 887 Instrument ID SVMS3 Method: SW827C LCS Sample ID: LCS Units: µg/kg Client ID: Run ID: SVMS3_11113A SeqNo: Analysis Date: Prep Date: 11/29/211 11/3/211 4:4 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3-cd)pyrene Naphthalene Phenanthrene Pyrene Surr: 2-Fluorobiphenyl MS Sample ID: BMS Units: µg/kg Client ID: Run ID: SVMS3_11113A SeqNo: Analysis Date: Prep Date: 11/29/211 11/3/211 5:9 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3-cd)pyrene Naphthalene Phenanthrene Pyrene Surr: 2-Fluorobiphenyl Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 2 of 6

67 Client: Terracon Work Order: Project: N QC BATCH REPORT Batch ID: 887 Instrument ID SVMS3 Method: SW827C MSD Sample ID: BMSD Units: µg/kg Client ID: Run ID: SVMS3_11113A SeqNo: Analysis Date: Prep Date: 11/29/211 11/3/211 5:38 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3-cd)pyrene Naphthalene Phenanthrene Pyrene Surr: 2-Fluorobiphenyl The following samples were analyzed in this batch: A Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 3 of 6

68 Client: Terracon Work Order: Project: N QC BATCH REPORT Batch ID: R868 Instrument ID VMS2 Method: SW826 MBLK Sample ID: MBLK-R868 Units: µg/kg Client ID: Run ID: VMS2_111128A SeqNo: Prep Date: Analysis Date: 11/28/211 12:4 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD 1,1,1,2-Tetrachloroethane 5. 1,1,1-Trichloroethane 5. 1,1,2,2-Tetrachloroethane 5. 1,1,2-Trichloroethane 5. 1,1-Dichloroethane 5. 1,1-Dichloroethene 5. 1,1-Dichloropropene 5. 1,2,3-Trichlorobenzene 5. 1,2,3-Trichloropropane 5. 1,2,4-Trichlorobenzene 5. 1,2,4-Trimethylbenzene 5. 1,2-Dibromo-3-chloropropane 5. 1,2-Dibromoethane 5. 1,2-Dichlorobenzene 5. 1,2-Dichloroethane 5. 1,2-Dichloropropane 5. 1,3,5-Trimethylbenzene 5. 1,3-Dichlorobenzene 5. 1,3-Dichloropropane 5. 1,4-Dichlorobenzene 5. 2,2-Dichloropropane 5. 2-Butanone 5. 2-Chlorotoluene 5. 2-Hexanone 5. 4-Chlorotoluene 5. 4-Methyl-2-pentanone 5. Acetone 5. Benzene 5. Bromobenzene 5. Bromochloromethane 5. Bromodichloromethane 5. Bromoform 5. Bromomethane 5. Carbon disulfide 5. Carbon tetrachloride 5. Chlorobenzene 5. Chloroethane 5. Chloroform 5. Chloromethane 5. cis-1,2-dichloroethene 5. cis-1,3-dichloropropene 5. Dibromochloromethane 5. RPD Limit Qual Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 4 of 6

69 Client: Terracon Work Order: Project: N QC BATCH REPORT Batch ID: R868 Instrument ID VMS2 Method: SW826 Dibromomethane 5. Dichlorodifluoromethane 5. Ethylbenzene 5. Hexachlorobutadiene 5. Isopropylbenzene 5. m,p-xylene 5. Methyl tert-butyl ether 5. Methylene chloride 5. Naphthalene 5. n-butylbenzene 5. n-propylbenzene 5. o-xylene 5. p-isopropyltoluene 5. sec-butylbenzene 5. Styrene 5. tert-butylbenzene 5. Tetrachloroethene 5. Toluene 5. trans-1,2-dichloroethene 5. trans-1,3-dichloropropene 5. Trichloroethene 5. Trichlorofluoromethane 5. Vinyl chloride 5. Xylenes, Total 5. Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d LCS Sample ID: LCS-R868 Units: µg/kg Client ID: Run ID: VMS2_111128A SeqNo: Prep Date: Analysis Date: 11/28/211 11:32 AM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 5 of 6

70 Client: Terracon Work Order: Project: N QC BATCH REPORT Batch ID: R868 Instrument ID VMS2 Method: SW826 MS Sample ID: A MS Units: µg/kg Client ID: Run ID: VMS2_111128A SeqNo: Prep Date: Analysis Date: 11/28/211 12:35 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d MSD Sample ID: A MSD Units: µg/kg Client ID: Run ID: VMS2_111128A SeqNo: Prep Date: Analysis Date: 11/28/211 1:7 PM DF: 1 SPK Ref Control RPD Ref Analyte Result PQL SPK Val Value %REC Limit Value %RPD RPD Limit Qual 1,1-Dichloroethene Benzene Chlorobenzene Toluene Trichloroethene Surr: 4-Bromofluorobenzene Surr: Dibromofluoromethane Surr: Toluene-d The following samples were analyzed in this batch: A Note: See Qualifiers Page for a list of Qualifiers and their explanation. QC Page: 6 of 6

71 ALS Environmental Client: Terracon Project: N WorkOrder: Date: 6-Dec-11 QUALIFIERS, ACRONYMS, UNITS Qualifier * a B E H J n O P R S U Acronym DUP LCS LCSD MBLK MDL MQL MS MSD PDS PQL SDL Description Description Units Reported Description % of sample µg/kg Value exceeds Regulatory Limit Not accredited Analyte detected in the associated Method Blank above the Reporting Limit Value above quantitation range Analyzed outside of Holding Time Analyte detected below quantitation limit Not offered for accreditation Not Detected at the Reporting Limit Sample amount is > 4 times amount spiked Dual Column results percent difference > 4% RPD above laboratory control limit Spike Recovery outside laboratory control limits Analyzed but not detected above the MDL Method Duplicate Laboratory Control Sample Laboratory Control Sample Duplicate Method Blank Method Detection Limit Method Quantitation Limit Matrix Spike Matrix Spike Duplicate Post Digestion Spike Practical Quantitaion Limit Sample Detection Limit QF Page 1 of 1

72 ALS Environmental Sample Receipt Checklist Client Name: TERRACON-CINCINNATI Date/Time Received: 23-Nov-11 13:4 Work Order: Received by: SJW Checklist completed by Steve Wilcox Kelsey Kennedy 23-Nov-11 Reviewed by: esignature Date esignature 23-Nov-11 Date Matrices: Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No Temperature(s)/Thermometer(s): 4. Cooler(s)/Kit(s): Water - VOA vials have zero headspace? Yes No No VOA vials submitted Water - ph acceptable upon receipt? Yes No N/A ph adjusted? Yes No N/A ph adjusted by: Login Notes: Client Contacted: Date Contacted: Person Contacted: Contacted By: Regarding: Comments: CorrectiveAction: SRC Page 1 of 1