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Pangea
<br /> Table 1.Soil Analytical Data-324 East 11th Street,Tracy,California
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<br /> Soil Tier 1 ESL 5,100 230 100 0.044 2.9 1.4 2.3 0.023 1 0.033 Varies Vanes 0.25 0.067 3,000 80
<br /> ESL Direct Exposure:Residential Shallow Soil 11,000 230 740 0.230 970 5.1 560 42 3.3 Varies Varies 0.25 0.067 15,000 80
<br /> ESL Direct Exposure:Commercial Shallow Soil 140,000 1,100 3,900 1.0 4,600 22 2,400 180 14 Varies Varies 1.0 0.31 220,000 320
<br /> ESL Direct Exposure:Any Depth,Any Land Use(Const Work) 32,000 880 2,800 24 4,100 480 2,400 3,700 350 Varies Varies 5.6 0.98 3,000 160
<br /> ESL Odor Nuisance:Residential Shallow Soil 500 100 500 500 500 500 100 500 Varies Varies 500
<br /> ESL Odor Nuisance:Commercial Shallow Soil 1,000 500 1,000 1,000 1,000 1,000 500 1,000 Varies Varies 1,000
<br /> ESL Odor Nuisance:Any Depth,Any Land Use(Const Worker) 1,000 500 1,000 1,000 1,000 1,000 500 1,000 Varies Varies 1,000
<br /> ESL Gross Contamination Levels 5,100 2,300 1,000 870 650 400 420 21,000 220 Varies Varies 6.3
<br /> LTCP 0-5 It(Com n )
<br /> -- 8.2 -- 89 -- 45 --
<br /> LTCP 5-10 ft(CommAndl) - - - - 12 -- 134 - - 45 - - - - - - --
<br /> LTCP 0-10 It(Utility Worker) - - - - 14 -- 314 --
<br /> mg/Kg
<br /> Boring/ Date Sample Depth
<br /> Sample ID Sampled (ft bgs)
<br /> 2013 soil borings
<br /> B-1-1 7/8/2013 1.0
<br /> <5.0 32 9.7 36 <50 -- -- -- -- --
<br /> -- - - 2,400 -- -- --
<br /> B-1-5 7/8/2013 5.0 -- - - 130 <0.05 <0.05 <0.05 <0.05 <0.5 -- -- -- -- -- -- -- --
<br /> 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 --
<br /> '0.05 0.31 0.096 0.34 <0.5 -- -- -- -- --
<br /> -- - - -- -- --
<br /> B-2-10 7/8/2013 10.0 -- - - <I.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> B-3-10 7/8/2013 10.0 -- - - <I.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> B4-5 7/8/2013 5.0 -- - - <I.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> B-5-5 7/8/2013 5.0 -- - - <I.0 <0.005 <0.005 <0.005 0.017 <0.05 -- -- -- -- -- -- -- --
<br /> B-6-5 7/8/2013 5.0 <I.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> B-6-10 7/8/2013 10.0 -- - - 85 <0.05 <0.05 <0.05 <0.05 <0.05 -- -- -- -- -- -- -- --
<br /> 13-6-14.5 7/8/2013 14.5 <I.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> 2014 soil borings
<br /> B-7-1 7/10/2014 1.0 -- 160 800 2,600 3.6 1.6 11 81 <10 -- -- -- -- -- -- -- --
<br /> -- -- -- -- --
<br /> B-7-5 '0.005 0.054 0.0071 <0.05 7]0 2014 5.0 -- <5.0 6.0 5.1 0.096 -- -- --
<br /> B-8-2.5 7/10/2014 2.5 -- 14 2.9 1.8 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> B-9-6 7/10/2014 6.0 <1.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> B-10-5 7/10/2014 5.0 <I.0 <0.005 <0.005 <0.005 <0.005 <0.05 -- -- -- -- -- -- -- --
<br /> 2017 soil borings
<br /> B-11-10' 2/16/2017 0.12 <0.005 0.04 <0.015 ' 0.30 a b '0.010 7.3 21 200 <2.7
<br /> B-12-5' 2/16/2017 5.0 - - - - - - - - - - - - 3.0 24 - -
<br /> B-12-10' 2/16/2017 10.0 - <10 '0.5 '0.005 '0.005 '0.005 <0.015 - <0.005 - - - - - - -
<br /> Explanation:
<br /> Benzene,Toulene,Ethylbenzene and Xylenes by EPA Method 8260.
<br /> TPHg-Total Petroleum Hydrocarbons as gasoline by EPA Method 8015.
<br /> MTBE=Methyl tertiary butyl ether by EPA Method 8021B or 8260B.
<br /> Naphthalene by EPA Method 8270C.
<br /> Other VOCs=Volatile Organic Compounds not listed by EPA Method 8260.
<br /> SVOCs=Semi-Volatile Organic Compounds by EPA Method 8270C.
<br /> PCBs=Polychlorinated Biphenyls by EPA Method 8082.
<br /> Arsenic,Barium,Chromium and Lead by EPA Method 6010B,
<br /> a=n-Butylbenzene,set-Butylbenzene,Isopropylbenzene,p-Isopropyholuene,n-Propylbenzene,1,3,5-Trimethylbemene.
<br /> b=1-Methylnaphthalene(0.30 mg/kg),2-Methylnaphthalene(0.42 mg/kg)exceeds Tier 1 ESL(0.25 mg/kg),but below residential direct exposure ESL(240 mg/kg).
<br /> mg/Kg=milligrams per Kilogram
<br /> It bgs=Depth below ground surface(bgs)in feet.
<br /> <n=Chemical not present at a concentration in excess ofdetection limit shown.
<br /> ---=Not analyzed
<br /> ESL=Environmental Screening Level,ftom California Regional Water Quality Control Board-San Francisco Bay Region,Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater,Interim Revised February 2016(Revision 3).
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