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Table A•6 <br /> SGI-Soil Sample Analytical Results-Organics <br /> Track,Dry Well and Debris Areas <br /> Stockton 99 Speedway,Stockton,California <br /> ry <br /> 44 4Q 1:z <br /> 5 <br /> 4a <br /> EPA MeikW 8081A 8081A 8081.4 8081A 8081.4 8081A 80158{X) 8015B(MJ 80151?m 8015Ba9 8015B(MJ 8015B(M) <br /> Unit Feet bgs mg/Kg mg/Kg m9'Kg m9/K9 n;91K9 nrg/Kg mg/Kg m91K9 mglK mg/Kg n+glK mg/Kg <br /> SG9-2 18-Nov-05 9.4 <0.010 <0.010 <0.010 <0.005 <0A05 <0.042 NA NA NA NA NA NA <br /> SG9-4 18-Nov-05 12.0 0,0082 0.016 0.007 <0.001 <0.001 <0.0085 <1 <10 12 290 730 11 <br /> SG9-5 18-Nov-05 20.0 0.023 <0.010 <0.010 0.0085 <0.005 <0.042 NA NA NA NA NA NA <br /> SG 18-Nov-OS 13,0 0.220 0.066 0.017 0.020 0.031 0.170 <1 <10 <10 <10 180 10 <br /> SG10-4 18-Nov-05 20.5 0.085 0.038 0.075 0.068 0.062 <0.450 NA NA NA NA NA NA <br /> SGll-2 18-Nov-05 1QD 0.024 <0.020 0.046 <0.010 <0.010 <0.085 NA NA NA NA NA NA <br /> RWQCB Residential <10h10 2.3/110 1.6176 . 1.6/4.3 NE NE 0.44115 100/100 100 100/100 100/100 50011.000 500/1000 <br /> ENVIRONMENTAL <br /> SCREENING LEVELS Commercial <10h10 9/110 1.6/764/4.3 NE NE 1.7/15 100/100 100 100/100 100/100 1000/I000 1000/2000 <br /> CLASS II LANDFILL WASTE <br /> ACCEPTANCE GUIDELINES 1.0 1.0 1.0 NE NE 2.5 NL NL NL NL NL NL <br /> LEGEND <br /> IPH=Total petroleum hydrocarbons <br /> feet bgs=Feet below ground surface <br /> ng/Kg=Milligrams per kilogram <br /> Bold-Detected above the laboratory practical quantitation limit <br /> VA=Not analyzed <br /> ;10=Not detected at or above the laboratory practical quantitation limit of 10 mg/Kg <br /> qE=Not estab€ished, <br /> qL=No Limit <br /> Votes: <br /> 1. Only EPA Method 8091A target list compounds reported in one or more samples are shown. Remaining EPA Method 8081A target list compounds were not detected at or above their respective PQLs. <br /> iamples SG9-4 and SG 10-3 also analyzed for VOCs using EPA Method 8260B.All EPA Method 8260B target list compounds were not detected at or above their respective PQLs. <br /> ?.Screening levels for organochlorine pesticides taken from the California Environmental Protection Agency's,Use of Human Health Screening Levels(CHHSLs)in Evaluation of Contaminated Properties,January,2005.Screening levels for TPH mixtures <br /> 3erived from the California Regional Water Quality Control Board-San Francisco Bay Region's document entitled Screening For Environmental Concerns at SitesWithContaminated Sail and Groundwater(Interim Final-February 2005). <br /> Table A-IAffable A-5 SGI 0,g-1. .Page 1 V i The Source Group <br /> i ' <br />