Amec Foster Wheeler Environment & Infrastructure, Inc BIG SHANTY ROAD, NW, SUITE 100 KENNESAW, GEORGIA (770)

Size: px

Start display at page:

Download "Amec Foster Wheeler Environment & Infrastructure, Inc BIG SHANTY ROAD, NW, SUITE 100 KENNESAW, GEORGIA (770)"

Claire Warren
5 years ago
Views:

Dutch Valley Rd NE Worchester Dr NE Hillpine Dr NE Maddox Dr NE Lee St SW Maddox Dr NE Avery Dr

Westminster Dr NE Westminster Dr NE Dutch Valley Pl NE The Prado NE Courtenay Dr NE Monroe Dr NE

$(P:\gis\Projects2007\beltline\Beltline_tracts_7_16_07\final_mxds\Piedmont_AP.$ 100 PEACHTREE STREET NW, SUITE 2300 ATLANTA, GA 30303 Elmwood Dr NE Kanuga St NE Amec Foster

100 PEACHTREE STREET NW, SUITE 2300 ATLANTA, GA 30303 Elmwood Dr NE Kanuga St NE Amec Foster

1075 BIG SHANTY ROAD, NW, SUITE 100 KENNESAW, GEORGIA 30144 (770) 421-3400 Cooledge Ave NE

1 Dutch Valley Rd NE Worchester Dr NE Hillpine Dr NE Maddox Dr NE Lee St SW Maddox Dr NE Avery Dr NE E Park Ln NE Piedmont Ave NE Yorkshire Rd NE ³ Park Ln NE Westminster Dr NE Piedmont Way NE Westminster Dr NE Westminster Dr NE Dutch Valley Pl NE The Prado NE Courtenay Dr NE Monroe Dr NE Amsterdam Ave NE Orme Cir NE Park Dr NE Elkmont Dr NE Brookridge Dr NE Map Document: (P:\gis\Projects2007\beltline\Beltline_tracts_7_16_07\final_mxds\Piedmont_AP.mxd) 7/19/ :46:08 PM 10th St NE Taft Ave NE Charles Allen Dr NE ATLANTA BELTLINE, INC. 100 PEACHTREE STREET NW, SUITE 2300 ATLANTA, GA Elmwood Dr NE Kanuga St NE Amec Foster Wheeler Environment & Infrastructure, Inc BIG SHANTY ROAD, NW, SUITE 100 KENNESAW, GEORGIA (770) Cooledge Ave NE Cresthill Ave NE Legend Virginia Ave NE Piedmont Tract Tax Parcels Beltline Roads Marta Rail Line Elkmont Dr NE Feet FIGURE 2.3 AERIAL PHOTOGRAPH OF SITE AND VICINITY PIEDMONT

Pelham Rd NE G280+00 G277+50 AOC-NEC-1 Montgomery Ferry Dr NE G275+00 G272+50 G270+00 Monroe Dr NE Lionel Ln NE Polo Dr NE G267+50 AOC-NEC-3 Avery Dr NE G265+00 Beverly Rd NE G262+50 Polo Dr NE

4 Pelham Rd NE G G AOC-NEC-1 Montgomery Ferry Dr NE G G G Monroe Dr NE Lionel Ln NE Polo Dr NE G AOC-NEC-3 Avery Dr NE G Beverly Rd NE G Polo Dr NE Maddox Dr NE Park Ln NE Avery Dr NE G G AOC-NEC-4 G Piedmont Ave NE Cumberland Rd NE Yorkshire Rd NE E Park Ln NE G AOC-NEC-5 Monroe Dr NE Westminister Dr NE G Dutch Valley Pl NE Park Ln NE Hillpine Dr NE Piedmont Ave NE AOC-NEC-8 Dutch Valley Rd NE G G G Worchester Dr NE G G G G G G G AOC-NEC-12 Monroe Dr NE Amsterdam Ave NE Orme Cir NE G G AOC-NEC-14 Elkmont Dr NE Park Dr NE G AOC-NEC-16 Elmwood Dr NE G Monroe Dr NE G Cresthill Ave NE G AOC-NEC-17 G Cooledge Ave NE G th St NE Virginia Ave NE G G ATLANTA BELTLINE, INC. Amec Foster Wheeler Environment & Infrastructure, Inc.

5 G G AOC-NEC-17 G ATLANTA BELTLINE, INC. Amec Foster Wheeler Environment & Infrastructure, Inc.

6 TABLE C-3 DATA SUMMARY - SOIL SAMPLE RESULTS PIEDMONT - ATLANTA BELTLINE DAF of 1 Soil Barrier Sample ID: MW GP GP GP DUP-2(GP ) GP TW-7/2-3 TW-8/7-8 TW-9/2-3 Selected Selected Surficial Soil Sample Date: 2/21/2014 3/6/2014 3/6/2014 3/6/2014 3/6/2014 3/6/ /4/ /5/ /4/2004 Residential Nonresidential Type V RRS Sample Matrix: Soil Soil Soil Soil Soil Soil Soil Soil Soil PARAMETER mg/kg mg/kg mg/kg Units: mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg Volatile Organic Compounds (VOCs) 1,1,1-Trichloroethane ,1,2,2-Tetrachloroethane ,1,2-Trichloroethane ,1-Dichloroethane ,1-Dichloroethene ,2-Dichloroethane ,2-Dichloropropane Butanone Acrolein Acrylonitrile Benzene Bromodichloromethane Bromoform Bromomethane (Methyl bromide) Carbon Tetrachloride Chlorobenzene Chloroethane (Ethyl chloride) Chloroform Chloromethane cis-1,3-dichloropropene Dibromochloromethane Ethylbenzene Methylene Chloride Styrene Tetrachloroethene Toluene trans-1,2-dichloroethene trans-1,3-dichloropropene Trichloroethene Vinyl chloride (lifetime) Xylenes, mixture Semi-Volatile Organic Compounds (SVOCs) 1,2,4-Trichlorobenzene ,2-Dichlorobenzene ,3-Dichlorobenzene ,4-Dichlorobenzene ,4,6-Trichlorophenol ,4-Dichlorophenol ,4-Dimethylphenol ,4-Dinitrophenol ,4-Dinitrotoluene ,6-Dinitrotoluene Chloronaphthalene Chlorophenol Nitrophenol ,3-Dichlorobenzidine ,6-Dinitro-2-methylphenol Bromophenyl phenyl ether Chloro-3-methylphenol Chlorophenyl phenyl ether Nitrophenol Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(ghi)perylene Benzo(k)fluoranthene Benzyl Butyl phthalate Bis(2-chloroethoxy)methane U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U 0.4 U 0.41 U 0.4 U U U U U U U U U U U U U U U U U U U 0.41 U 0.4 U U U U U U U 0.41 U 0.4 U U U U U U U 0.41 U 0.4 U 9 of 12

7 TABLE C-3 DATA SUMMARY - SOIL SAMPLE RESULTS PIEDMONT - ATLANTA BELTLINE DAF of 1 Soil Barrier Sample ID: Selected Selected Surficial Soil Sample Date: Residential Nonresidential Type V RRS Sample Matrix: PARAMETER mg/kg mg/kg mg/kg Units: Bis(2-chloroethyl)ether Bis(2-chloroisopropyl)ether Bis(2-ethylhexyl)phthalate Chrysene Dibenzo(a,h)anthracene Diethyl phthalate Dimethyl phthalate Di-n-butyl phthalate Di-n-octyl phthalate Fluoranthene Fluorene Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane Indeno(1,2,3-cd)pyrene Isophorone Naphthalene Nitrobenzene N-Nitrosodi-n-propylamine N-Nitrosodiphenylamine Pentachlorophenol Phenanthrene Phenol Pyrene Metals Arsenic Barium Cadmium (Diet) Chromium, Total Lead Selenium Silver Mercury, Total Mercury (Inorganic Salts) Percent Moisture (%) Percent Moisture MW GP GP GP DUP-2(GP ) GP TW-7/2-3 TW-8/7-8 TW-9/2-3 2/21/2014 3/6/2014 3/6/2014 3/6/2014 3/6/2014 3/6/ /4/ /5/ /4/2004 Soil Soil Soil Soil Soil Soil Soil Soil Soil mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg U U U U U U U U U U U U 0.41 U 0.4 U U U U U U U 0.41 U 0.4 U U U U U U U 0.44 U 0.41 U 0.4 U U U U U U U U U U U U U 0.41 U 0.4 U 4.72 U 5.47 U 6.06 U U U U U U U U U U U U U U U U U U U Notes: = Exceeds Residential RRS = Exceeds Non-Residential RRS = Exceeds Arsenic Soil Barrier Type V RRS = RL exceeds Residential and/or Non-Residential RRS - Constituent was not detected. 1 = MDLs were reviewed and found to be below the corresponding RRS for constituents that were non-detect with RLs greater than the RRS. Some RLs were elevated due to dilution. 2 = Constituents were analyzed by VOC Method SW8260B Bold = Constituent has been detected at or above the reporting limit. -- = Not Analyzed J = Value listed is estimated based on associated QC data UJ = Constituent was not detected; reporting limit is estimated. U = Constituent was not detected at the reporting limit MDL = Method Detection Limit RL = Reporting Limit RRS = Risk Reduction Standard 10 of 12

8 TABLE C-3 DATA SUMMARY - SOIL SAMPLE RESULTS PIEDMONT - ATLANTA BELTLINE DAF of 1 Soil Barrier Sample ID: MW-10(9-10.5) TW-12/3-4 TW-38/2-3 Selected Selected Surficial Soil Sample Date: 12/10/ /4/ /6/2004 Residential Nonresidential Type V RRS Sample Matrix: Soil Soil Soil PARAMETER mg/kg mg/kg mg/kg Units: mg/kg mg/kg mg/kg Volatile Organic Compounds (VOCs) 1,1,1-Trichloroethane ,1,2,2-Tetrachloroethane ,1,2-Trichloroethane ,1-Dichloroethane ,1-Dichloroethene ,2-Dichloroethane ,2-Dichloropropane Butanone Acrolein Acrylonitrile Benzene Bromodichloromethane Bromoform Bromomethane (Methyl bromide) Carbon Tetrachloride Chlorobenzene Chloroethane (Ethyl chloride) Chloroform Chloromethane cis-1,3-dichloropropene Dibromochloromethane Ethylbenzene Methylene Chloride Styrene Tetrachloroethene Toluene trans-1,2-dichloroethene trans-1,3-dichloropropene Trichloroethene Vinyl chloride (lifetime) Xylenes, mixture Semi-Volatile Organic Compounds (SVOCs) 1,2,4-Trichlorobenzene ,2-Dichlorobenzene ,3-Dichlorobenzene ,4-Dichlorobenzene ,4,6-Trichlorophenol ,4-Dichlorophenol ,4-Dimethylphenol ,4-Dinitrophenol ,4-Dinitrotoluene ,6-Dinitrotoluene Chloronaphthalene Chlorophenol Nitrophenol ,3-Dichlorobenzidine ,6-Dinitro-2-methylphenol Bromophenyl phenyl ether Chloro-3-methylphenol Chlorophenyl phenyl ether Nitrophenol Acenaphthene Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(ghi)perylene Benzo(k)fluoranthene Benzyl Butyl phthalate Bis(2-chloroethoxy)methane U U U U U U U U U U U U U U U U U U U U U U U U U 0.44 U 0.44 U 0.4 U 0.44 U 0.44 U 0.4 U 0.44 U U 0.4 U 0.44 U U 0.44 U U 0.44 U U 0.44 U U 0.44 U 0.44 U 0.4 U 0.44 U of 12

9 TABLE C-3 DATA SUMMARY - SOIL SAMPLE RESULTS PIEDMONT - ATLANTA BELTLINE DAF of 1 Soil Barrier Sample ID: Selected Selected Surficial Soil Sample Date: Residential Nonresidential Type V RRS Sample Matrix: PARAMETER mg/kg mg/kg mg/kg Units: Bis(2-chloroethyl)ether Bis(2-chloroisopropyl)ether Bis(2-ethylhexyl)phthalate Chrysene Dibenzo(a,h)anthracene Diethyl phthalate Dimethyl phthalate Di-n-butyl phthalate Di-n-octyl phthalate Fluoranthene Fluorene Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane Indeno(1,2,3-cd)pyrene Isophorone Naphthalene Nitrobenzene N-Nitrosodi-n-propylamine N-Nitrosodiphenylamine Pentachlorophenol Phenanthrene Phenol Pyrene Metals Arsenic Barium Cadmium (Diet) Chromium, Total Lead Selenium Silver Mercury, Total Mercury (Inorganic Salts) Percent Moisture (%) Percent Moisture MW-10(9-10.5) TW-12/3-4 TW-38/2-3 12/10/ /4/ /6/2004 Soil Soil Soil mg/kg mg/kg mg/kg 0.4 U 0.44 U U 0.44 U 0.44 U 0.4 U 0.44 U U 0.44 U 0.44 U 0.4 U 0.44 U 0.44 U 0.4 U 0.44 U 0.44 U 0.4 U 0.44 U U 0.44 U Notes: = Exceeds Residential RRS = Exceeds Non-Residential RRS = Exceeds Arsenic Soil Barrier Type V RRS = RL exceeds Residential and/or Non-Residential RRS - Constituent was not detected. 1 = MDLs were reviewed and found to be below the corresponding RRS for constituents that were non-detect with RLs greater than the RRS. Some RLs were elevated due to dilution. 2 = Constituents were analyzed by VOC Method SW8260B Bold = Constituent has been detected at or above the reporting limit. -- = Not Analyzed J = Value listed is estimated based on associated QC data UJ = Constituent was not detected; reporting limit is estimated. U = Constituent was not detected at the reporting limit MDL = Method Detection Limit RL = Reporting Limit RRS = Risk Reduction Standard Prepared by/date: JAH Checked by/date: DWK of 12

10 TABLE C-6 DATA SUMMARY - GROUNDWATER SAMPLE RESULTS ANSLEY PIEDMONT - ATLANTA BELTLINE PARAMETER Type 1/ Type 3 RRS () Sample ID: MW MW DUP-1 (MW ) MW MW Sample Date: Sample Matrix: 4/23/2014 Units: MW /25/2014 MW-1 7/26/2005 Volatile Organic Compounds (VOCs) 1,1,1-Trichloroethane U U U U U U U 1,1,2,2-Tetrachloroethane U U U U U U U 1 1,1,2-Trichloroethane U U U U U U U 1,1-Dichloroethane U U U U U U U 1,1-Dichloroethene U U U U U U U 1,2-Dichloroethane U U U U U U U 1,2-Dichloropropane U U U U U U U 2-Butanone U U U U U U 0.05 U Acrolein U 0.02 U 0.02 U 0.02 U 0.02 U 0.02 U -- Acrylonitrile U U U U U U -- Benzene U U U U U U U Bromodichloromethane U U U U U U U Bromoform U U U U U U U Bromomethane (Methyl bromide) U U U U U U U Carbon Tetrachloride U U U U U U U Chlorobenzene U U U U U U U Chloroethane (Ethyl chloride) U U U U U U 0.01 U 1 Chloroform U U U U U Chloromethane U U U U U U 0.01 U 1 cis-1,2-dichloroethene cis-1,3-dichloropropene U U U U U U U 1 Dibromochloromethane U U U U U U U Ethylbenzene U U U U U U U Methylene Chloride U U U U U U U Styrene U U U U U U U Tetrachloroethene U U U U U U Toluene U U U U U U U trans-1,2-dichloroethene U U U U U U U trans-1,3-dichloropropene U U U U U U U 1 Trichloroethene U U U U U U U Vinyl chloride (lifetime) U U U U U U U Xylenes, mixture U U U U U U 0.01 U Semi-Volatile Organic Compounds (SVOCs) 1,2,4-Trichlorobenzene U U U U U U U 2 1,2-Dichlorobenzene U U U U U U U 2 1,3-Dichlorobenzene U U U U U U U 2 1,4-Dichlorobenzene U U U U U U U 2 2,4,6-Trichlorophenol U U U U U U -- 2,4-Dichlorophenol U U U U U U -- 2,4-Dimethylphenol U U U U U U -- 2,4-Dinitrophenol U U U U U U -- 2,4-Dinitrotoluene U U U U U U ,6-Dinitrotoluene U U U U U U Chloronaphthalene U U U U U U Chlorophenol U U U U U U -- 2-Nitrophenol U U U U U U -- 3,3-Dichlorobenzidine U U U U U U -- 4,6-Dinitro-2-methylphenol U U U U U U -- 4-Bromophenyl phenyl ether U U U U U U Chloro-3-methylphenol U U U U U U Chlorophenyl phenyl ether U U U U U U Nitrophenol U U U U U U -- Butyl benzyl phthalate U U U U U U -- Bis(2-chloroethoxy)methane U U U U U U 1 -- Bis(2-chloroethyl)ether U U U U U U 1 -- Bis(2-chloroisopropyl)ether U U U U U U 1 -- Bis(2-ethylhexyl)phthalate U U U U U U 1 -- Diethyl phthalate U U U U U U -- Dimethyl phthalate U U U U U U -- Di-n-butyl phthalate U U U U U U -- Di-n-octyl phthalate U U U U U U -- Hexachlorobenzene U U U U U U 1 -- Hexachlorobutadiene U U U U U U 1 -- Hexachlorocyclopentadiene U U U U U U -- Hexachloroethane U U U U U U of 4

11 TABLE C-6 DATA SUMMARY - GROUNDWATER SAMPLE RESULTS ANSLEY PIEDMONT - ATLANTA BELTLINE PARAMETER Type 1/ Type 3 RRS () Sample ID: MW MW DUP-1 (MW ) MW MW Sample Date: Sample Matrix: 4/23/2014 Units: MW /25/2014 MW-1 7/26/2005 Isophorone U U U U U U -- Nitrobenzene U U U U U U -- N-Nitrosodi-n-propylamine U U U U U U 1 -- N-Nitrosodiphenylamine U U U U U U 1 -- Pentachlorophenol U U U U U U 1 -- Phenol U U U U U U -- Polycyclic Aromatic Hydrocarbons (PAHs) 1-Methylnaphthalene U U U U U U -- 2-Methylnaphthalene U U U U U U -- Acenaphthene U U U U U U -- Acenaphthylene U U U U U U -- Anthracene U U U U U U -- Benzo(a)anthracene U U U U U U -- Benzo(a)pyrene U U U U U U -- Benzo(b)fluoranthene U U U U U U -- Benzo(ghi)perylene U U U U U U -- Benzo(k)fluoranthene U U U U U U -- Chrysene U U U U U U -- Dibenzo(a,h)anthracene U U U U U U -- Fluoranthene U U U U U U -- Fluorene U U U U U U -- Indeno(1,2,3-cd)pyrene U U U U U U -- Naphthalene U U U U U U -- Phenanthrene U U U U U U -- Pyrene U U U U U U -- Metals Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Arsenic U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Barium J J Cadmium (Water) U U U U U U U U U U U U Chromium, Total U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U Chromium III (Insoluble Salts) U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U Chromium VI (Particulates) Copper Lead U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Nickel Selenium U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U Silver U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U Zinc Mercury, Total Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Mercury (Inorganic Salts) U U U U U U U U U U U U Polychlorinated Biphenyls (PCBs) Aroclor Aroclor Aroclor Aroclor Aroclor Aroclor Aroclor Notes: = Exceeds Non-Residential RRS = RL exceeds Residential and/or Non- Residential RRS - Constituent was not detected. 1 = MDLs were reviewed and found to be below the corresponding RRS for constituents that were non-detect with RLs greater than the RRS. Some RLs were elevated due to dilution. 2 = These analytes were analyzed by Volatile Method SW8260B. 3 These analytes were reported from data collected prior to the development of the site-specific RRS and analyte list for the Atlanta BeltLine in Bold = Constituent has been detected at or above the reporting limit. -- = Not Analyzed J = Value listed is estimated based on associated QC data JL = Value listed is estimated; possibly biased low or false positive based on QC data. U = Constituent was not detected at the reporting limit MDL = Method Detection Limit = milligrams per liter RL = Reporting Limit RRS = Risk Reduction Standard 2 of 4

12 TABLE C-6 DATA SUMMARY - GROUNDWATER SAMPLE RESULTS ANSLEY PIEDMONT - ATLANTA BELTLINE PARAMETER Type 1/ Type 3 RRS () Sample ID: Sample Date: Sample Matrix: Units: TW-7 TW-7 TW-8 TW-9 MW-10 TW-12 TW-38 12/6/ /13/ /6/ /6/ /13/ /5/ /7/2004 Volatile Organic Compounds (VOCs) 1,1,1-Trichloroethane ,1,2,2-Tetrachloroethane ,1,2-Trichloroethane ,1-Dichloroethane 4.0 1,1-Dichloroethene ,2-Dichloroethane ,2-Dichloropropane Butanone 2.0 Acrolein Acrylonitrile Benzene Bromodichloromethane 0.08 Bromoform 0.08 Bromomethane (Methyl bromide) 0.01 Carbon Tetrachloride Chlorobenzene 0.10 Chloroethane (Ethyl chloride) Chloroform 0.08 Chloromethane cis-1,2-dichloroethene 3 -- cis-1,3-dichloropropene Dibromochloromethane 0.08 Ethylbenzene 0.70 Methylene Chloride Styrene 0.10 Tetrachloroethene Toluene 1.0 trans-1,2-dichloroethene 0.10 trans-1,3-dichloropropene Trichloroethene Vinyl chloride (lifetime) Xylenes, mixture U U U U U U U U 0.05 U 0.05 U 0.05 U 0.05 U U U U U U U U U U U U 0.01 U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U Semi-Volatile Organic Compounds (SVOCs) 1,2,4-Trichlorobenzene ,2-Dichlorobenzene ,3-Dichlorobenzene ,4-Dichlorobenzene ,4,6-Trichlorophenol ,4-Dichlorophenol ,4-Dimethylphenol ,4-Dinitrophenol ,4-Dinitrotoluene ,6-Dinitrotoluene Chloronaphthalene Chlorophenol Nitrophenol ,3-Dichlorobenzidine ,6-Dinitro-2-methylphenol Bromophenyl phenyl ether Chloro-3-methylphenol Chlorophenyl phenyl ether Nitrophenol 0.06 Butyl benzyl phthalate 0.10 Bis(2-chloroethoxy)methane 0.01 Bis(2-chloroethyl)ether 0.01 Bis(2-chloroisopropyl)ether 0.01 Bis(2-ethylhexyl)phthalate Diethyl phthalate 5.0 Dimethyl phthalate 400 Di-n-butyl phthalate 4.0 Di-n-octyl phthalate 0.7 Hexachlorobenzene Hexachlorobutadiene 0.01 Hexachlorocyclopentadiene 0.05 Hexachloroethane U U U U U U U U U U U U U U U U U U U U U U U U U 0.01 U U 0.01 U U 0.01 U U U U 0.01 U U 0.01 U U 0.01 U U 0.01 U U 0.01 U U 0.01 U U 0.01 U U 0.01 U U U U 0.01 U U U U 0.01 U U 0.01 U U 0.01 U U 0.01 U U U U U U 0.01 U U 0.01 U U 0.01 U U U U 0.01 U U 0.01 U U 0.01 U -- 3 of 4

13 TABLE C-6 DATA SUMMARY - GROUNDWATER SAMPLE RESULTS ANSLEY PIEDMONT - ATLANTA BELTLINE PARAMETER Type 1/ Type 3 RRS () Sample ID: Sample Date: Sample Matrix: Units: TW-7 TW-7 TW-8 TW-9 MW-10 TW-12 TW-38 12/6/ /13/ /6/ /6/ /13/ /5/ /7/2004 Isophorone 0.10 Nitrobenzene 0.02 N-Nitrosodi-n-propylamine 0.01 N-Nitrosodiphenylamine 0.01 Pentachlorophenol Phenol 4.0 Polycyclic Aromatic Hydrocarbons (PAHs) 1-Methylnaphthalene Methylnaphthalene 0.01 Acenaphthene 2.0 Acenaphthylene Anthracene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(ghi)perylene Benzo(k)fluoranthene Chrysene Dibenzo(a,h)anthracene Fluoranthene 1.0 Fluorene 1.0 Indeno(1,2,3-cd)pyrene Naphthalene 0.02 Phenanthrene Pyrene 1.0 Metals Arsenic 0.01 Barium 2.0 Cadmium (Water) Chromium, Total 0.10 Chromium III (Insoluble Salts) 0.10 Chromium VI (Particulates) Copper 1.3 Lead Nickel 0.10 Selenium 0.05 Silver 0.10 Zinc 2.0 Mercury, Total Mercury (Inorganic Salts) Polychlorinated Biphenyls (PCBs) Aroclor Aroclor Aroclor Aroclor Aroclor Aroclor Aroclor Notes: = Exceeds Non-Residential RRS = RL exceeds Residential and/or Non- Residential RRS - Constituent was not detected. 1 = MDLs were reviewed and found to be below the corresponding RRS for constituents that were non-detect with RLs greater than the RRS. Some RLs were elevated due to dilution. 2 = These analytes were analyzed by Volatile Method SW8260B. 3 These analytes were reported from data collected prior to the development of the si RRS and analyte list for the Atlanta BeltLine in Bold = Constituent has been detected at or above the reporting limit. -- = Not Analyzed J = Value listed is estimated based on associated QC data JL = Value listed is estimated; possibly biased low or false positive based on QC data U = Constituent was not detected at the reporting limit MDL = Method Detection Limit = milligrams per liter RL = Reporting Limit RRS = Risk Reduction Standard U 0.01 U U 0.01 U U 0.01 U U 0.01 U U U U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U 0.01 U -- Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved 0.05 U U U U U U U U U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U U 0.01 U 0.01 U 0.01 U U 0.02 U 0.02 U 0.02 U U 0.01 U 0.01 U 0.01 U Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved Total Dissolved U U U U U U U U U U U -- Prepared by/date: JAH 04/21/15 Checked by/date: DWK 04/21/15 4 of 4

14 TABLE C 7 DATA SUMMARY DEPTH TO GROUNDWATER ATLANTA BELTLINE NORTHEAST CORRIDOR WELL ID DATE DEPTH TO GROUNDWATER (feet) MW 2 Ansley North December MW 4 December TW 3 December DW 1 March GW 4 March GW 5 March GW 6 March GW 7 March GW 8 March MW February Ansley South MW 6 December MW February Piedmont MW 10 December TW 7 December TW 8 December TW 9 December TW 12 December TW 38 December MW February MW February MW February MW February MW February

2. September 2015 Sub-Concrete Slab Soil Investigation

2. September 2015 Sub-Concrete Slab Soil Investigation To: Pam Barnett, RACER Ref. No.: 11109615 From: John-eric Pardys/kf/1 Date: October 30, 2015 Re: Summary of Sub-Concrete Slab Soil Investigation RACER Fredericksburg Facility Spotsylvania County, Virginia