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Pangea Table 1.Soil Analytical Data-324 East 11th Street,Tracy,California �O� u �4 �S° �y� }� Notes Residential ESL for shallow soil d <3 on bgs): 100 100 100 1 0.044 2.9 3.3 2.3 0.023 Residential ESL for deep soil d.(>3 m bgs): 500 110 500 0.044 2.9 3.3 2.3 0.023 Residential ESL for shallow soil non-d a m 6 100 100 100 0.74 9.3 4.7 11 8.4 Residential ESL for deep soil non-dw(>3 on bgs): 500 110 500 0.74 9.3 4.7 11 8.4 Commercial ESL for shallow soil non-dw <3 m bgs): 500 110 500 1.2 9.3 4.7 11 8.4 Commercial ESL for deep soil non-dw(>3 on bgs): 1,000 110 1,000 1.2 9.3 4.7 11 8.4 LTCP Commercmi/Industrial Criteria(0 to 5 feet bgs) - - _ 9-2 1 _ g9 _ _ -- - LTCP Commercial/Industrial Criteria(5 to 10 feet bgs) - _ _ 12 1 - 1 134 - - -- E mg/Kg Boring/ Date Sample Depth Sample ID Sampled (ft bgs) B-1-1 7/8/2013 1.0 - - 2AN <5.0 32 9.7 36 <50 B-1-5 7/8/2013 5.0 - - 130 <0.05 <0.05 <0.05 <0.05 <0.5 B-1.10 7/8/2013 10.0 - - 380 2.3 2.8 <0.25 0.25 <2.5 B-1-14.5 7/8/2013 14.5 - - 130 <0.05 0.31 0.096 0.34 <0.5 B-2-10 7/8/2013 10.0 - - <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 B-3-10 7/8/2013 10.0 - - <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 B4-5 7/8/2013 5.0 - - <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 B-5-5 7/8/2013 5.0 - - <1.0 <0.005 <0.005 <0.005 0.017 <0.05 B-6-5 7/8/2013 5.0 - - <1.0 <0.005 <0,005 <0.005 <0.005 <0.05 B-6.10 7/8/2013 10.0 - - 85 <0.05 <0.05 <0.05 <0.05 <0.05 B-6-14.5 7/8/2013 14.5 - - <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 B-7-1 7/10/2014 1.0 160 800 2,600 3.6 1.6 11 81 <10 B-7-5 7/10/2014 5.0 <5.0 6.0 5.1 0.096 <0.005 0.054 0.0071 <0.05 B-8-2.5 7/10/2014 2.5 14 2.9 1.8 <0.005 <0,005 <0.005 <0.005 <0.05 B-9-6 7/10/2014 6.0 - - <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 B-10-5 7/10/2014 5.0 - - <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 Explanation; Benzene,Toulene,Ethylbenzene and Xylenes by EPA Method 8260. TPHg-Total Petroleum Hydrocarbons as gasoline by EPA Method 8015. MTBE=Methyl tertiary butyl ether by EPA Method 8021 B or 8260B. mg/Kg=milligrams per Kilogram m bgs=Depth below ground surface(bgs)in meters ft bgs=Depth below ground surface(bgs)in feet. <n=Chemical not present at a concentration in excess of detection limit shown. ---=Not analyzed ESL=Environmental Screening Level for Shallow/Deep Soil with Residential and Commercial/Industrial Land Use,Groundwater is/is not a current or potential source of drinking water.(Table A/Table Bf rable C/rable D). ESL established by the SFBRWQCB,Interim Final-February 2005 and amended in December 2013. Bold=Concentration above ESLs for Residential Land Use,groundwater is a current or potential source of drinking water. non-dw=groundwater is not a current or potential source of drinking water dw=groundwater is a current or potential source of drinking water LTCP=Low Threat Closure Policy established by the State Water Resources Control Board and adopted May 1,2012.Direct contact and outdoor air exposure.