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TABLEIANALYTICALMETHOSOILS ENGINEERING , INC . <br /> & DETECTION LIMITS <br /> SOIL SAMPLES <br /> Total Petroleum Hydrocarbons (TPR) <br /> Compound Soil Soil <br /> Detection RSL <br /> Limit (mg/kg) <br /> (mg/kg) <br /> Total Petroleum <br /> Hydrocarbons <br /> Carbon Chain <br /> Ranges <br /> TPH as Gasoline 0 5 82 Low Aromatic <br /> 520 Low Aliphatic <br /> TPH as Diesel10 96 Medium Aromatic <br /> 110 Medium Aliphatic <br /> Volatile Organic Com ounds OCs <br /> Method Compound Soil Soil <br /> Detection Residential <br /> Limit USEPA or DTSC <br /> (ug/kg) SIS <br /> VOCs EPA 8260 (ug/kg) <br /> TPH C5 -C12 500 82000 <br /> Benzene 2 330* * <br /> Toluene 2 1100000* * <br /> Ethylbenzene 2 5800 <br /> Xylenes 2 580000 <br /> Dichlorodifluoromethane 4 <br /> Methylene chloride <br /> Dichloromethane 20 1900* * <br /> trans- l ,2-Dichloroethene 4 <br /> Methyl tert-butyl ether MTBE 4 47000 <br /> 11 -Dichloroethane 4 3600 <br /> Vinyl acetate 40 910000 <br /> 2 2-Dichloro ro ane 4 <br /> Chloromethane 4 110000 <br /> cis- 1 ,2-Dichloroethene 4 19000 <br /> 2-Butanone (MEK) 40 27000000 <br /> Bromochloromethane 4 150000 <br /> Chloroform 4 32 <br />