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Allied Aviation Initial Abatement Report, Arlington, VA December 4, 2015 Amec Foster Wheeler Project 37650016 APPENDIX D Laboratory Analytical Reports

#=CL# LIMS USE: FR - JOHN MITTAUER LIMS OBJECT ID: November 05, 2015 John Mittauer Amec Foster Wheeler 14424 Albemarle Point Place Suite 115 Chantilly, VA 20151 RE: Dear John Mittauer: Enclosed are the analytical results for sample(s) received by the laboratory on November 03, 2015. The results relate only to the samples included in this report. s reported herein conform to the most current TNI standards and the laboratory's Quality Assurance Manual, where applicable, unless otherwise noted in the body of the report. Analyses were performed at the Pace Analytical Services location indicated on the sample analyte page for analysis unless otherwise footnoted. If you have any questions concerning this report, please feel free to contact me. Sincerely, Kevin Godwin kevin.godwin@pacelabs.com Project Manager Enclosures Page 1 of 20

#=CP# CERTIFICATIONS Charlotte Certification IDs 9800 Kincey Ave. Ste 100, North Carolina Drinking Water Certification #: 37706 North Carolina Field Services Certification #: 5342 North Carolina Wastewater Certification #: 12 South Carolina Certification #: 99006001 Florida/NELAP Certification #: E87627 Kentucky UST Certification #: 84 West Virginia Certification #: 357 Virginia/VELAP Certification #: 460221 Page 2 of 20

#=SS# SAMPLE SUMMARY Lab ID Sample ID Matrix Date Collected Date Received 001 FOUR MILE - A Water 10/31/15 09:30 11/03/15 09:30 002 FOUR MILE - B Water 10/31/15 09:35 11/03/15 09:30 003 FOUR MILE - C Water 10/31/15 09:45 11/03/15 09:30 004 FOUR MILE - D Water 10/31/15 09:55 11/03/15 09:30 005 FOUR MILE - E Water 10/31/15 10:05 11/03/15 09:30 006 OUTFALL 18 BOOM Water 10/31/15 10:45 11/03/15 09:30 Page 3 of 20

#=SA# SAMPLE ANALYTE COUNT Lab ID Sample ID Method Analysts Analytes Reported Laboratory 001 FOUR MILE - A EPA 8015 Modified BJL EPA 5030/8015 Mod. ZDO EPA 8270 RES 21 PASI-C EPA 8260 NB 9 PASI-C 002 FOUR MILE - B EPA 8015 Modified BJL EPA 5030/8015 Mod. ZDO EPA 8270 RES 21 PASI-C EPA 8260 NB 9 PASI-C 003 FOUR MILE - C EPA 8015 Modified BJL EPA 5030/8015 Mod. ZDO EPA 8270 RES 21 PASI-C EPA 8260 NB 9 PASI-C 004 FOUR MILE - D EPA 8015 Modified BJL EPA 5030/8015 Mod. ZDO EPA 8270 RES 21 PASI-C EPA 8260 NB 9 PASI-C 005 FOUR MILE - E EPA 8015 Modified BJL EPA 5030/8015 Mod. ZDO EPA 8270 RES 21 PASI-C EPA 8260 NB 9 PASI-C 006 OUTFALL 18 BOOM EPA 8015 Modified BJL EPA 5030/8015 Mod. ZDO EPA 8270 RES 21 PASI-C EPA 8260 NB 9 PASI-C Page 4 of 20

#=AR# ANALYTICAL RESULTS Sample: FOUR MILE - A Lab ID: 001 Collected: 10/31/15 09:30 Received: 11/03/15 09:30 Matrix: Water Report s s Limit MDL DF Prepared Analyzed CAS No. Qual 8015 GCS THC-Diesel Analytical Method: EPA 8015 Modified Preparation Method: EPA 3510 Diesel Range Organics(C10- ND mg/l 0.50 0.10 1 11/04/15 09:30 11/04/15 17:56 C28) n-pentacosane (S) 93 % 48-110 1 11/04/15 09:30 11/04/15 17:56 629-99-2 Gasoline Range Organics Analytical Method: EPA 5030/8015 Mod. Gas Range Organics (C6-C10) 0.0051J mg/l 0.080 1 11/03/15 21:05 4-Bromofluorobenzene (S) 92 % 70-145 1 11/03/15 21:05 460-00-4 8270 MSSV Semivol Organic HVI Analytical Method: EPA 8270 Preparation Method: EPA 3510 Acenaphthene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 15:07 83-32-9 Acenaphthylene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:07 208-96-8 Anthracene ND ug/l 10.0 1.1 1 11/04/15 10:30 11/04/15 15:07 120-12-7 Benzo(a)anthracene ND ug/l 10.0 0.72 1 11/04/15 10:30 11/04/15 15:07 56-55-3 Benzo(a)pyrene ND ug/l 10.0 0.71 1 11/04/15 10:30 11/04/15 15:07 50-32-8 Benzo(b)fluoranthene ND ug/l 10.0 0.81 1 11/04/15 10:30 11/04/15 15:07 205-99-2 Benzo(g,h,i)perylene ND ug/l 10.0 0.97 1 11/04/15 10:30 11/04/15 15:07 191-24-2 Benzo(k)fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 15:07 207-08-9 Chrysene ND ug/l 10.0 0.65 1 11/04/15 10:30 11/04/15 15:07 218-01-9 Dibenz(a,h)anthracene ND ug/l 10.0 0.70 1 11/04/15 10:30 11/04/15 15:07 53-70-3 Fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 15:07 206-44-0 Fluorene ND ug/l 10.0 1.6 1 11/04/15 10:30 11/04/15 15:07 86-73-7 Indeno(1,2,3-cd)pyrene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:07 193-39-5 1-Methylnaphthalene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:07 90-12-0 2-Methylnaphthalene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 15:07 91-57-6 Naphthalene ND ug/l 10.0 1.5 1 11/04/15 10:30 11/04/15 15:07 91-20-3 Phenanthrene ND ug/l 10.0 1.0 1 11/04/15 10:30 11/04/15 15:07 85-01-8 Pyrene ND ug/l 10.0 0.53 1 11/04/15 10:30 11/04/15 15:07 129-00-0 Nitrobenzene-d5 (S) 27 % 21-110 1 11/04/15 10:30 11/04/15 15:07 4165-60-0 2-Fluorobiphenyl (S) 27 % 27-110 1 11/04/15 10:30 11/04/15 15:07 321-60-8 Terphenyl-d14 (S) 42 % 31-107 1 11/04/15 10:30 11/04/15 15:07 1718-51-0 8260 MSV Low Level Analytical Method: EPA 8260 Benzene ND ug/l 1.0 0.25 1 11/04/15 20:28 71-43-2 Ethylbenzene ND ug/l 1.0 0.30 1 11/04/15 20:28 100-41-4 Toluene ND ug/l 1.0 0.26 1 11/04/15 20:28 108-88-3 Xylene (Total) ND ug/l 2.0 0.66 1 11/04/15 20:28 1330-20-7 m&p-xylene ND ug/l 2.0 0.66 1 11/04/15 20:28 179601-23-1 o-xylene ND ug/l 1.0 0.23 1 11/04/15 20:28 95-47-6 4-Bromofluorobenzene (S) 100 % 70-130 1 11/04/15 20:28 460-00-4 1,2-Dichloroethane-d4 (S) 118 % 70-130 1 11/04/15 20:28 17060-07-0 Toluene-d8 (S) 103 % 70-130 1 11/04/15 20:28 2037-26-5 Page 5 of 20

#=AR# ANALYTICAL RESULTS Sample: FOUR MILE - B Lab ID: 002 Collected: 10/31/15 09:35 Received: 11/03/15 09:30 Matrix: Water Report s s Limit MDL DF Prepared Analyzed CAS No. Qual 8015 GCS THC-Diesel Analytical Method: EPA 8015 Modified Preparation Method: EPA 3510 Diesel Range Organics(C10- ND mg/l 0.50 0.10 1 11/04/15 09:30 11/04/15 18:20 C28) n-pentacosane (S) 70 % 48-110 1 11/04/15 09:30 11/04/15 18:20 629-99-2 Gasoline Range Organics Analytical Method: EPA 5030/8015 Mod. Gas Range Organics (C6-C10) 0.0019J mg/l 0.080 1 11/03/15 21:27 4-Bromofluorobenzene (S) 94 % 70-145 1 11/03/15 21:27 460-00-4 8270 MSSV Semivol Organic HVI Analytical Method: EPA 8270 Preparation Method: EPA 3510 Acenaphthene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 15:32 83-32-9 Acenaphthylene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:32 208-96-8 Anthracene ND ug/l 10.0 1.1 1 11/04/15 10:30 11/04/15 15:32 120-12-7 Benzo(a)anthracene ND ug/l 10.0 0.72 1 11/04/15 10:30 11/04/15 15:32 56-55-3 Benzo(a)pyrene ND ug/l 10.0 0.71 1 11/04/15 10:30 11/04/15 15:32 50-32-8 Benzo(b)fluoranthene ND ug/l 10.0 0.81 1 11/04/15 10:30 11/04/15 15:32 205-99-2 Benzo(g,h,i)perylene ND ug/l 10.0 0.97 1 11/04/15 10:30 11/04/15 15:32 191-24-2 Benzo(k)fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 15:32 207-08-9 Chrysene ND ug/l 10.0 0.65 1 11/04/15 10:30 11/04/15 15:32 218-01-9 Dibenz(a,h)anthracene ND ug/l 10.0 0.70 1 11/04/15 10:30 11/04/15 15:32 53-70-3 Fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 15:32 206-44-0 Fluorene ND ug/l 10.0 1.6 1 11/04/15 10:30 11/04/15 15:32 86-73-7 Indeno(1,2,3-cd)pyrene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:32 193-39-5 1-Methylnaphthalene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:32 90-12-0 2-Methylnaphthalene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 15:32 91-57-6 Naphthalene ND ug/l 10.0 1.5 1 11/04/15 10:30 11/04/15 15:32 91-20-3 Phenanthrene ND ug/l 10.0 1.0 1 11/04/15 10:30 11/04/15 15:32 85-01-8 Pyrene ND ug/l 10.0 0.53 1 11/04/15 10:30 11/04/15 15:32 129-00-0 Nitrobenzene-d5 (S) 67 % 21-110 1 11/04/15 10:30 11/04/15 15:32 4165-60-0 2-Fluorobiphenyl (S) 64 % 27-110 1 11/04/15 10:30 11/04/15 15:32 321-60-8 Terphenyl-d14 (S) 51 % 31-107 1 11/04/15 10:30 11/04/15 15:32 1718-51-0 8260 MSV Low Level Analytical Method: EPA 8260 Benzene ND ug/l 1.0 0.25 1 11/04/15 20:46 71-43-2 Ethylbenzene ND ug/l 1.0 0.30 1 11/04/15 20:46 100-41-4 Toluene ND ug/l 1.0 0.26 1 11/04/15 20:46 108-88-3 Xylene (Total) ND ug/l 2.0 0.66 1 11/04/15 20:46 1330-20-7 m&p-xylene ND ug/l 2.0 0.66 1 11/04/15 20:46 179601-23-1 o-xylene ND ug/l 1.0 0.23 1 11/04/15 20:46 95-47-6 4-Bromofluorobenzene (S) 100 % 70-130 1 11/04/15 20:46 460-00-4 1,2-Dichloroethane-d4 (S) 117 % 70-130 1 11/04/15 20:46 17060-07-0 Toluene-d8 (S) 104 % 70-130 1 11/04/15 20:46 2037-26-5 Page 6 of 20

#=AR# ANALYTICAL RESULTS Sample: FOUR MILE - C Lab ID: 003 Collected: 10/31/15 09:45 Received: 11/03/15 09:30 Matrix: Water Report s s Limit MDL DF Prepared Analyzed CAS No. Qual 8015 GCS THC-Diesel Analytical Method: EPA 8015 Modified Preparation Method: EPA 3510 Diesel Range Organics(C10- ND mg/l 0.50 0.10 1 11/04/15 09:30 11/04/15 18:20 C28) n-pentacosane (S) 71 % 48-110 1 11/04/15 09:30 11/04/15 18:20 629-99-2 Gasoline Range Organics Analytical Method: EPA 5030/8015 Mod. Gas Range Organics (C6-C10) 0.0093J mg/l 0.080 1 11/03/15 21:50 4-Bromofluorobenzene (S) 91 % 70-145 1 11/03/15 21:50 460-00-4 8270 MSSV Semivol Organic HVI Analytical Method: EPA 8270 Preparation Method: EPA 3510 Acenaphthene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 15:57 83-32-9 Acenaphthylene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:57 208-96-8 Anthracene ND ug/l 10.0 1.1 1 11/04/15 10:30 11/04/15 15:57 120-12-7 Benzo(a)anthracene ND ug/l 10.0 0.72 1 11/04/15 10:30 11/04/15 15:57 56-55-3 Benzo(a)pyrene ND ug/l 10.0 0.71 1 11/04/15 10:30 11/04/15 15:57 50-32-8 Benzo(b)fluoranthene ND ug/l 10.0 0.81 1 11/04/15 10:30 11/04/15 15:57 205-99-2 Benzo(g,h,i)perylene ND ug/l 10.0 0.97 1 11/04/15 10:30 11/04/15 15:57 191-24-2 Benzo(k)fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 15:57 207-08-9 Chrysene ND ug/l 10.0 0.65 1 11/04/15 10:30 11/04/15 15:57 218-01-9 Dibenz(a,h)anthracene ND ug/l 10.0 0.70 1 11/04/15 10:30 11/04/15 15:57 53-70-3 Fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 15:57 206-44-0 Fluorene ND ug/l 10.0 1.6 1 11/04/15 10:30 11/04/15 15:57 86-73-7 Indeno(1,2,3-cd)pyrene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:57 193-39-5 1-Methylnaphthalene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 15:57 90-12-0 2-Methylnaphthalene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 15:57 91-57-6 Naphthalene ND ug/l 10.0 1.5 1 11/04/15 10:30 11/04/15 15:57 91-20-3 Phenanthrene ND ug/l 10.0 1.0 1 11/04/15 10:30 11/04/15 15:57 85-01-8 Pyrene ND ug/l 10.0 0.53 1 11/04/15 10:30 11/04/15 15:57 129-00-0 Nitrobenzene-d5 (S) 80 % 21-110 1 11/04/15 10:30 11/04/15 15:57 4165-60-0 2-Fluorobiphenyl (S) 75 % 27-110 1 11/04/15 10:30 11/04/15 15:57 321-60-8 Terphenyl-d14 (S) 66 % 31-107 1 11/04/15 10:30 11/04/15 15:57 1718-51-0 8260 MSV Low Level Analytical Method: EPA 8260 Benzene ND ug/l 1.0 0.25 1 11/04/15 21:03 71-43-2 Ethylbenzene ND ug/l 1.0 0.30 1 11/04/15 21:03 100-41-4 Toluene ND ug/l 1.0 0.26 1 11/04/15 21:03 108-88-3 Xylene (Total) ND ug/l 2.0 0.66 1 11/04/15 21:03 1330-20-7 m&p-xylene ND ug/l 2.0 0.66 1 11/04/15 21:03 179601-23-1 o-xylene 0.38J ug/l 1.0 0.23 1 11/04/15 21:03 95-47-6 4-Bromofluorobenzene (S) 99 % 70-130 1 11/04/15 21:03 460-00-4 1,2-Dichloroethane-d4 (S) 119 % 70-130 1 11/04/15 21:03 17060-07-0 Toluene-d8 (S) 103 % 70-130 1 11/04/15 21:03 2037-26-5 Page 7 of 20

#=AR# ANALYTICAL RESULTS Sample: FOUR MILE - D Lab ID: 004 Collected: 10/31/15 09:55 Received: 11/03/15 09:30 Matrix: Water Report s s Limit MDL DF Prepared Analyzed CAS No. Qual 8015 GCS THC-Diesel Analytical Method: EPA 8015 Modified Preparation Method: EPA 3510 Diesel Range Organics(C10- ND mg/l 0.50 0.10 1 11/04/15 09:30 11/04/15 18:43 C28) n-pentacosane (S) 80 % 48-110 1 11/04/15 09:30 11/04/15 18:43 629-99-2 Gasoline Range Organics Analytical Method: EPA 5030/8015 Mod. Gas Range Organics (C6-C10) 0.021J mg/l 0.080 1 11/03/15 22:12 4-Bromofluorobenzene (S) 94 % 70-145 1 11/03/15 22:12 460-00-4 8270 MSSV Semivol Organic HVI Analytical Method: EPA 8270 Preparation Method: EPA 3510 Acenaphthene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 16:22 83-32-9 Acenaphthylene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 16:22 208-96-8 Anthracene ND ug/l 10.0 1.1 1 11/04/15 10:30 11/04/15 16:22 120-12-7 Benzo(a)anthracene ND ug/l 10.0 0.72 1 11/04/15 10:30 11/04/15 16:22 56-55-3 Benzo(a)pyrene ND ug/l 10.0 0.71 1 11/04/15 10:30 11/04/15 16:22 50-32-8 Benzo(b)fluoranthene ND ug/l 10.0 0.81 1 11/04/15 10:30 11/04/15 16:22 205-99-2 Benzo(g,h,i)perylene ND ug/l 10.0 0.97 1 11/04/15 10:30 11/04/15 16:22 191-24-2 Benzo(k)fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 16:22 207-08-9 Chrysene ND ug/l 10.0 0.65 1 11/04/15 10:30 11/04/15 16:22 218-01-9 Dibenz(a,h)anthracene ND ug/l 10.0 0.70 1 11/04/15 10:30 11/04/15 16:22 53-70-3 Fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 16:22 206-44-0 Fluorene ND ug/l 10.0 1.6 1 11/04/15 10:30 11/04/15 16:22 86-73-7 Indeno(1,2,3-cd)pyrene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 16:22 193-39-5 1-Methylnaphthalene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 16:22 90-12-0 2-Methylnaphthalene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 16:22 91-57-6 Naphthalene ND ug/l 10.0 1.5 1 11/04/15 10:30 11/04/15 16:22 91-20-3 Phenanthrene ND ug/l 10.0 1.0 1 11/04/15 10:30 11/04/15 16:22 85-01-8 Pyrene ND ug/l 10.0 0.53 1 11/04/15 10:30 11/04/15 16:22 129-00-0 Nitrobenzene-d5 (S) 76 % 21-110 1 11/04/15 10:30 11/04/15 16:22 4165-60-0 2-Fluorobiphenyl (S) 77 % 27-110 1 11/04/15 10:30 11/04/15 16:22 321-60-8 Terphenyl-d14 (S) 65 % 31-107 1 11/04/15 10:30 11/04/15 16:22 1718-51-0 8260 MSV Low Level Analytical Method: EPA 8260 Benzene ND ug/l 1.0 0.25 1 11/04/15 21:20 71-43-2 Ethylbenzene ND ug/l 1.0 0.30 1 11/04/15 21:20 100-41-4 Toluene ND ug/l 1.0 0.26 1 11/04/15 21:20 108-88-3 Xylene (Total) ND ug/l 2.0 0.66 1 11/04/15 21:20 1330-20-7 m&p-xylene ND ug/l 2.0 0.66 1 11/04/15 21:20 179601-23-1 o-xylene 0.36J ug/l 1.0 0.23 1 11/04/15 21:20 95-47-6 4-Bromofluorobenzene (S) 101 % 70-130 1 11/04/15 21:20 460-00-4 1,2-Dichloroethane-d4 (S) 118 % 70-130 1 11/04/15 21:20 17060-07-0 Toluene-d8 (S) 103 % 70-130 1 11/04/15 21:20 2037-26-5 Page 8 of 20

#=AR# ANALYTICAL RESULTS Sample: FOUR MILE - E Lab ID: 005 Collected: 10/31/15 10:05 Received: 11/03/15 09:30 Matrix: Water Report s s Limit MDL DF Prepared Analyzed CAS No. Qual 8015 GCS THC-Diesel Analytical Method: EPA 8015 Modified Preparation Method: EPA 3510 Diesel Range Organics(C10- ND mg/l 0.50 0.10 1 11/04/15 09:30 11/04/15 18:43 C28) n-pentacosane (S) 94 % 48-110 1 11/04/15 09:30 11/04/15 18:43 629-99-2 Gasoline Range Organics Analytical Method: EPA 5030/8015 Mod. Gas Range Organics (C6-C10) 0.014J mg/l 0.080 1 11/03/15 22:35 4-Bromofluorobenzene (S) 91 % 70-145 1 11/03/15 22:35 460-00-4 8270 MSSV Semivol Organic HVI Analytical Method: EPA 8270 Preparation Method: EPA 3510 Acenaphthene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 16:47 83-32-9 Acenaphthylene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 16:47 208-96-8 Anthracene ND ug/l 10.0 1.1 1 11/04/15 10:30 11/04/15 16:47 120-12-7 Benzo(a)anthracene ND ug/l 10.0 0.72 1 11/04/15 10:30 11/04/15 16:47 56-55-3 Benzo(a)pyrene ND ug/l 10.0 0.71 1 11/04/15 10:30 11/04/15 16:47 50-32-8 Benzo(b)fluoranthene ND ug/l 10.0 0.81 1 11/04/15 10:30 11/04/15 16:47 205-99-2 Benzo(g,h,i)perylene ND ug/l 10.0 0.97 1 11/04/15 10:30 11/04/15 16:47 191-24-2 Benzo(k)fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 16:47 207-08-9 Chrysene ND ug/l 10.0 0.65 1 11/04/15 10:30 11/04/15 16:47 218-01-9 Dibenz(a,h)anthracene ND ug/l 10.0 0.70 1 11/04/15 10:30 11/04/15 16:47 53-70-3 Fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 16:47 206-44-0 Fluorene ND ug/l 10.0 1.6 1 11/04/15 10:30 11/04/15 16:47 86-73-7 Indeno(1,2,3-cd)pyrene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 16:47 193-39-5 1-Methylnaphthalene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 16:47 90-12-0 2-Methylnaphthalene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 16:47 91-57-6 Naphthalene ND ug/l 10.0 1.5 1 11/04/15 10:30 11/04/15 16:47 91-20-3 Phenanthrene ND ug/l 10.0 1.0 1 11/04/15 10:30 11/04/15 16:47 85-01-8 Pyrene ND ug/l 10.0 0.53 1 11/04/15 10:30 11/04/15 16:47 129-00-0 Nitrobenzene-d5 (S) 74 % 21-110 1 11/04/15 10:30 11/04/15 16:47 4165-60-0 2-Fluorobiphenyl (S) 72 % 27-110 1 11/04/15 10:30 11/04/15 16:47 321-60-8 Terphenyl-d14 (S) 65 % 31-107 1 11/04/15 10:30 11/04/15 16:47 1718-51-0 8260 MSV Low Level Analytical Method: EPA 8260 Benzene ND ug/l 1.0 0.25 1 11/04/15 21:37 71-43-2 Ethylbenzene ND ug/l 1.0 0.30 1 11/04/15 21:37 100-41-4 Toluene ND ug/l 1.0 0.26 1 11/04/15 21:37 108-88-3 Xylene (Total) ND ug/l 2.0 0.66 1 11/04/15 21:37 1330-20-7 m&p-xylene ND ug/l 2.0 0.66 1 11/04/15 21:37 179601-23-1 o-xylene ND ug/l 1.0 0.23 1 11/04/15 21:37 95-47-6 4-Bromofluorobenzene (S) 101 % 70-130 1 11/04/15 21:37 460-00-4 1,2-Dichloroethane-d4 (S) 120 % 70-130 1 11/04/15 21:37 17060-07-0 Toluene-d8 (S) 103 % 70-130 1 11/04/15 21:37 2037-26-5 Page 9 of 20

#=AR# ANALYTICAL RESULTS Sample: OUTFALL 18 BOOM Lab ID: 006 Collected: 10/31/15 10:45 Received: 11/03/15 09:30 Matrix: Water Report s s Limit MDL DF Prepared Analyzed CAS No. Qual 8015 GCS THC-Diesel Analytical Method: EPA 8015 Modified Preparation Method: EPA 3510 Diesel Range Organics(C10-1.9 mg/l 0.50 0.10 1 11/04/15 09:30 11/04/15 19:07 C28) n-pentacosane (S) 75 % 48-110 1 11/04/15 09:30 11/04/15 19:07 629-99-2 Gasoline Range Organics Analytical Method: EPA 5030/8015 Mod. Gas Range Organics (C6-C10) 0.016J mg/l 0.080 1 11/03/15 22:57 4-Bromofluorobenzene (S) 93 % 70-145 1 11/03/15 22:57 460-00-4 8270 MSSV Semivol Organic HVI Analytical Method: EPA 8270 Preparation Method: EPA 3510 Acenaphthene ND ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 17:12 83-32-9 Acenaphthylene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 17:12 208-96-8 Anthracene ND ug/l 10.0 1.1 1 11/04/15 10:30 11/04/15 17:12 120-12-7 Benzo(a)anthracene ND ug/l 10.0 0.72 1 11/04/15 10:30 11/04/15 17:12 56-55-3 Benzo(a)pyrene ND ug/l 10.0 0.71 1 11/04/15 10:30 11/04/15 17:12 50-32-8 Benzo(b)fluoranthene ND ug/l 10.0 0.81 1 11/04/15 10:30 11/04/15 17:12 205-99-2 Benzo(g,h,i)perylene ND ug/l 10.0 0.97 1 11/04/15 10:30 11/04/15 17:12 191-24-2 Benzo(k)fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 17:12 207-08-9 Chrysene ND ug/l 10.0 0.65 1 11/04/15 10:30 11/04/15 17:12 218-01-9 Dibenz(a,h)anthracene ND ug/l 10.0 0.70 1 11/04/15 10:30 11/04/15 17:12 53-70-3 Fluoranthene ND ug/l 10.0 0.87 1 11/04/15 10:30 11/04/15 17:12 206-44-0 Fluorene ND ug/l 10.0 1.6 1 11/04/15 10:30 11/04/15 17:12 86-73-7 Indeno(1,2,3-cd)pyrene ND ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 17:12 193-39-5 1-Methylnaphthalene 13.5 ug/l 10.0 1.8 1 11/04/15 10:30 11/04/15 17:12 90-12-0 2-Methylnaphthalene 15.9 ug/l 10.0 1.7 1 11/04/15 10:30 11/04/15 17:12 91-57-6 Naphthalene 4.6J ug/l 10.0 1.5 1 11/04/15 10:30 11/04/15 17:12 91-20-3 Phenanthrene ND ug/l 10.0 1.0 1 11/04/15 10:30 11/04/15 17:12 85-01-8 Pyrene ND ug/l 10.0 0.53 1 11/04/15 10:30 11/04/15 17:12 129-00-0 Nitrobenzene-d5 (S) 79 % 21-110 1 11/04/15 10:30 11/04/15 17:12 4165-60-0 2-Fluorobiphenyl (S) 79 % 27-110 1 11/04/15 10:30 11/04/15 17:12 321-60-8 Terphenyl-d14 (S) 80 % 31-107 1 11/04/15 10:30 11/04/15 17:12 1718-51-0 8260 MSV Low Level Analytical Method: EPA 8260 Benzene ND ug/l 1.0 0.25 1 11/04/15 21:55 71-43-2 Ethylbenzene ND ug/l 1.0 0.30 1 11/04/15 21:55 100-41-4 Toluene ND ug/l 1.0 0.26 1 11/04/15 21:55 108-88-3 Xylene (Total) ND ug/l 2.0 0.66 1 11/04/15 21:55 1330-20-7 m&p-xylene 0.75J ug/l 2.0 0.66 1 11/04/15 21:55 179601-23-1 o-xylene 0.52J ug/l 1.0 0.23 1 11/04/15 21:55 95-47-6 4-Bromofluorobenzene (S) 99 % 70-130 1 11/04/15 21:55 460-00-4 1,2-Dichloroethane-d4 (S) 120 % 70-130 1 11/04/15 21:55 17060-07-0 Toluene-d8 (S) 103 % 70-130 1 11/04/15 21:55 2037-26-5 Page 10 of 20

#=QC# QUALITY CONTROL DATA QC Batch: QC Batch Method: GCV/10039 EPA 5030/8015 Mod. Analysis Method: Analysis Description: EPA 5030/8015 Mod. Gasoline Range Organics Associated Lab Samples: 001, 002, 003, 004, 005, 006 METHOD BLANK: 1597254 Associated Lab Samples: 001, 002, 003, 004, 005, 006 Blank Matrix: Water Reporting Limit MDL Analyzed Gas Range Organics (C6-C10) mg/l 0.014J 0.080 11/03/15 17:12 4-Bromofluorobenzene (S) % 101 70-145 11/03/15 17:12 LABORATORY CONTROL SAMPLE: 1597255 Spike Conc. LCS LCS Limits Gas Range Organics (C6-C10) mg/l 1 1.0 101 70-150 4-Bromofluorobenzene (S) % 101 70-145 MATRIX SPIKE SAMPLE: 1597256 92274033001 Spike Conc. MS MS Limits Gas Range Organics (C6-C10) mg/l ND 1 1.2 123 70-150 4-Bromofluorobenzene (S) % 105 70-145 SAMPLE DUPLICATE: 1597257 92274033002 Dup Gas Range Organics (C6-C10) mg/l ND 0.011J 30 4-Bromofluorobenzene (S) % 104 108 4 RPD Max RPD s presented on this page are in the units indicated by the "" column except where an alternate unit is presented to the right of the result. Page 11 of 20

#=QC# QUALITY CONTROL DATA QC Batch: QC Batch Method: MSV/34136 EPA 8260 Analysis Method: Analysis Description: EPA 8260 8260 MSV Low Level Associated Lab Samples: 001, 002, 003, 004, 005, 006 METHOD BLANK: 1598403 Associated Lab Samples: 001, 002, 003, 004, 005, 006 Blank Matrix: Water Reporting Limit MDL Analyzed Benzene ug/l ND 1.0 0.25 11/04/15 12:09 Ethylbenzene ug/l ND 1.0 0.30 11/04/15 12:09 m&p-xylene ug/l ND 2.0 0.66 11/04/15 12:09 o-xylene ug/l ND 1.0 0.23 11/04/15 12:09 Toluene ug/l ND 1.0 0.26 11/04/15 12:09 Xylene (Total) ug/l ND 2.0 0.66 11/04/15 12:09 1,2-Dichloroethane-d4 (S) % 111 70-130 11/04/15 12:09 4-Bromofluorobenzene (S) % 100 70-130 11/04/15 12:09 Toluene-d8 (S) % 102 70-130 11/04/15 12:09 LABORATORY CONTROL SAMPLE: 1598404 Spike Conc. LCS LCS Limits Benzene ug/l 50 56.7 113 70-130 Ethylbenzene ug/l 50 57.0 114 70-130 m&p-xylene ug/l 100 113 113 70-130 o-xylene ug/l 50 57.7 115 70-130 Toluene ug/l 50 55.8 112 70-130 Xylene (Total) ug/l 150 171 114 70-130 1,2-Dichloroethane-d4 (S) % 106 70-130 4-Bromofluorobenzene (S) % 101 70-130 Toluene-d8 (S) % 101 70-130 MATRIX SPIKE SAMPLE: 1598405 92274110013 Spike Conc. MS MS Limits Benzene ug/l ND 20 26.3 128 70-148 Ethylbenzene ug/l 2.5 20 27.8 127 70-130 m&p-xylene ug/l ND 40 51.0 125 70-130 o-xylene ug/l ND 20 24.7 124 70-130 Toluene ug/l ND 20 25.3 127 70-155 1,2-Dichloroethane-d4 (S) % 111 70-130 4-Bromofluorobenzene (S) % 100 70-130 Toluene-d8 (S) % 101 70-130 s presented on this page are in the units indicated by the "" column except where an alternate unit is presented to the right of the result. Page 12 of 20

#=QC# QUALITY CONTROL DATA SAMPLE DUPLICATE: 1598406 92274110014 Dup Benzene ug/l 11.3 11.3 0 30 Ethylbenzene ug/l ND ND 30 m&p-xylene ug/l 50.6 50.0 1 30 o-xylene ug/l 9.1 9.0 1 30 Toluene ug/l 1.6 1.7 2 30 Xylene (Total) ug/l 59.7 59.0 1 30 1,2-Dichloroethane-d4 (S) % 116 115 1 4-Bromofluorobenzene (S) % 98 98 0 Toluene-d8 (S) % 102 103 1 RPD Max RPD s presented on this page are in the units indicated by the "" column except where an alternate unit is presented to the right of the result. Page 13 of 20

#=QC# QUALITY CONTROL DATA QC Batch: QC Batch Method: OEXT/38811 EPA 3510 Analysis Method: Analysis Description: EPA 8015 Modified 8015 GCS Associated Lab Samples: 001, 002, 003, 004, 005, 006 METHOD BLANK: 1597240 Associated Lab Samples: 001, 002, 003, 004, 005, 006 Blank Matrix: Water Reporting Limit MDL Analyzed Diesel Range Organics(C10-C28) mg/l 0.18J 0.50 0.10 11/03/15 16:48 n-pentacosane (S) % 93 48-110 11/03/15 16:48 LABORATORY CONTROL SAMPLE: 1597241 Spike Conc. LCS LCS Limits Diesel Range Organics(C10-C28) mg/l 10 5.0 50 41-114 n-pentacosane (S) % 85 48-110 MATRIX SPIKE SAMPLE: 1597242 35213896001 Spike Conc. MS MS Limits Diesel Range Organics(C10-C28) mg/l 0.65 10 4.8 42 41-114 n-pentacosane (S) % 86 48-110 SAMPLE DUPLICATE: 1597243 35213896002 Dup Diesel Range Organics(C10-C28) mg/l 3.1 0.94 108 30 D6 n-pentacosane (S) % 78 88 12 RPD Max RPD s presented on this page are in the units indicated by the "" column except where an alternate unit is presented to the right of the result. Page 14 of 20

#=QC# QUALITY CONTROL DATA QC Batch: QC Batch Method: OEXT/38851 EPA 3510 Analysis Method: Analysis Description: EPA 8270 8270 Water MSSV Associated Lab Samples: 001, 002, 003, 004, 005, 006 METHOD BLANK: 1598526 Associated Lab Samples: 001, 002, 003, 004, 005, 006 Blank Matrix: Water Reporting Limit MDL Analyzed 1-Methylnaphthalene ug/l ND 10.0 1.8 11/04/15 13:52 2-Methylnaphthalene ug/l ND 10.0 1.7 11/04/15 13:52 Acenaphthene ug/l ND 10.0 1.7 11/04/15 13:52 Acenaphthylene ug/l ND 10.0 1.8 11/04/15 13:52 Anthracene ug/l ND 10.0 1.1 11/04/15 13:52 Benzo(a)anthracene ug/l ND 10.0 0.72 11/04/15 13:52 Benzo(a)pyrene ug/l ND 10.0 0.71 11/04/15 13:52 Benzo(b)fluoranthene ug/l ND 10.0 0.81 11/04/15 13:52 Benzo(g,h,i)perylene ug/l ND 10.0 0.97 11/04/15 13:52 Benzo(k)fluoranthene ug/l ND 10.0 0.87 11/04/15 13:52 Chrysene ug/l ND 10.0 0.65 11/04/15 13:52 Dibenz(a,h)anthracene ug/l ND 10.0 0.70 11/04/15 13:52 Fluoranthene ug/l ND 10.0 0.87 11/04/15 13:52 Fluorene ug/l ND 10.0 1.6 11/04/15 13:52 Indeno(1,2,3-cd)pyrene ug/l ND 10.0 1.8 11/04/15 13:52 Naphthalene ug/l ND 10.0 1.5 11/04/15 13:52 Phenanthrene ug/l ND 10.0 1.0 11/04/15 13:52 Pyrene ug/l ND 10.0 0.53 11/04/15 13:52 2-Fluorobiphenyl (S) % 66 27-110 11/04/15 13:52 Nitrobenzene-d5 (S) % 70 21-110 11/04/15 13:52 Terphenyl-d14 (S) % 51 31-107 11/04/15 13:52 LABORATORY CONTROL SAMPLE & LCSD: 1598527 Spike Conc. 1598528 LCS LCSD LCS LCSD Limits RPD 1-Methylnaphthalene ug/l 50 36.3 38.8 73 78 34-113 7 30 2-Methylnaphthalene ug/l 50 34.1 36.5 68 73 33-120 7 30 Acenaphthene ug/l 50 35.0 36.0 70 72 48-114 3 30 Acenaphthylene ug/l 50 35.4 36.2 71 72 48-112 2 30 Anthracene ug/l 50 38.4 37.8 77 76 57-118 1 30 Benzo(a)anthracene ug/l 50 38.6 38.2 77 76 56-121 1 30 Benzo(a)pyrene ug/l 50 35.7 36.8 71 74 55-127 3 30 Benzo(b)fluoranthene ug/l 50 34.9 36.3 70 73 53-128 4 30 Benzo(g,h,i)perylene ug/l 50 31.3 31.6 63 63 54-125 1 30 Benzo(k)fluoranthene ug/l 50 48.4 45.8 97 92 51-123 6 30 Chrysene ug/l 50 37.8 37.2 76 74 58-127 2 30 Dibenz(a,h)anthracene ug/l 50 31.3 31.5 63 63 53-129 1 30 Fluoranthene ug/l 50 41.6 42.3 83 85 57-125 2 30 Fluorene ug/l 50 31.2 32.5 62 65 53-118 4 30 Indeno(1,2,3-cd)pyrene ug/l 50 31.6 32.0 63 64 55-128 1 30 Max RPD s presented on this page are in the units indicated by the "" column except where an alternate unit is presented to the right of the result. Page 15 of 20

#=QC# QUALITY CONTROL DATA LABORATORY CONTROL SAMPLE & LCSD: 1598527 Spike Conc. 1598528 LCS LCSD LCS LCSD Limits RPD Naphthalene ug/l 50 33.8 36.2 68 72 32-120 7 30 Phenanthrene ug/l 50 35.6 36.2 71 72 57-117 2 30 Pyrene ug/l 50 34.6 34.6 69 69 55-122 0 30 2-Fluorobiphenyl (S) % 69 67 27-110 Nitrobenzene-d5 (S) % 71 72 21-110 Terphenyl-d14 (S) % 56 51 31-107 Max RPD s presented on this page are in the units indicated by the "" column except where an alternate unit is presented to the right of the result. Page 16 of 20

#=QL# QUALIFIERS DEFINITIONS DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. ND - Not Detected at or above adjusted reporting limit. J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. MDL - Adjusted Method Detection Limit. PQL - Practical Quantitation Limit. RL - Reporting Limit. S - Surrogate 1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is a combined concentration. Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. LCS(D) - Laboratory Control Sample (Duplicate) MS(D) - Matrix Spike (Duplicate) DUP - Sample Duplicate RPD - Relative Percent Difference NC - Not Calculable. SG - Silica Gel - Clean-Up U - Indicates the compound was analyzed for, but not detected. Acid preservation may not be appropriate for 2 Chloroethylvinyl ether, Styrene, and Vinyl chloride. A separate vial preserved to a ph of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA Method 8260. N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for each analyte is a combined concentration. Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. TNI - The NELAC Institute. LABORATORIES PASI-C Pace Analytical Services - Charlotte ANALYTE QUALIFIERS D6 The relative percent difference (RPD) between the sample and sample duplicate exceeded laboratory control limits. Page 17 of 20

#=CR# QUALITY CONTROL DATA CROSS REFERENCE TABLE Lab ID Sample ID QC Batch Method QC Batch Analytical Method Analytical Batch 001 FOUR MILE - A EPA 3510 OEXT/38811 EPA 8015 Modified GCSV/23094 002 FOUR MILE - B EPA 3510 OEXT/38811 EPA 8015 Modified GCSV/23094 003 FOUR MILE - C EPA 3510 OEXT/38811 EPA 8015 Modified GCSV/23094 004 FOUR MILE - D EPA 3510 OEXT/38811 EPA 8015 Modified GCSV/23094 005 FOUR MILE - E EPA 3510 OEXT/38811 EPA 8015 Modified GCSV/23094 006 OUTFALL 18 BOOM EPA 3510 OEXT/38811 EPA 8015 Modified GCSV/23094 001 FOUR MILE - A EPA 5030/8015 Mod. GCV/10039 002 FOUR MILE - B EPA 5030/8015 Mod. GCV/10039 003 FOUR MILE - C EPA 5030/8015 Mod. GCV/10039 004 FOUR MILE - D EPA 5030/8015 Mod. GCV/10039 005 FOUR MILE - E EPA 5030/8015 Mod. GCV/10039 006 OUTFALL 18 BOOM EPA 5030/8015 Mod. GCV/10039 001 FOUR MILE - A EPA 3510 OEXT/38851 EPA 8270 MSSV/11474 002 FOUR MILE - B EPA 3510 OEXT/38851 EPA 8270 MSSV/11474 003 FOUR MILE - C EPA 3510 OEXT/38851 EPA 8270 MSSV/11474 004 FOUR MILE - D EPA 3510 OEXT/38851 EPA 8270 MSSV/11474 005 FOUR MILE - E EPA 3510 OEXT/38851 EPA 8270 MSSV/11474 006 OUTFALL 18 BOOM EPA 3510 OEXT/38851 EPA 8270 MSSV/11474 001 FOUR MILE - A EPA 8260 MSV/34136 002 FOUR MILE - B EPA 8260 MSV/34136 003 FOUR MILE - C EPA 8260 MSV/34136 004 FOUR MILE - D EPA 8260 MSV/34136 005 FOUR MILE - E EPA 8260 MSV/34136 006 OUTFALL 18 BOOM EPA 8260 MSV/34136 Page 18 of 20

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