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a ' <br /> ATTACILMENT B <br /> LABORATORY METHODOLOGY <br /> A state certified laboratory will be usQd for all analyses of <br /> j soil and groundwater. Soil samples will be analyzed for total <br /> petroleum hydrocarbons, calculated as gasoline, diesel, and <br /> i transmission fluid, according to EPA Method 8015 and modified <br /> EPA Method 8015, respectively. Extraction will be by EPA Method <br /> 5030. Benzene, toluene, ethylbenzene, and xylene isomers (BTEX <br /> compounds) will be analyzed according to EPA Method 8020 and <br /> 5030. <br /> Groundwater samples will be analyzed for total petroleum <br /> hydrocarbons, calculated as gasoline, diesel and transmission z <br /> t f fluid, according to EPA Method 8015 and modified EPA Method <br /> 8015, respectively. Extraction will be by EPA Method 5030. <br /> Benzene, toluene, ethylbenzene, and xylene isomers (BTEX <br /> compounds) will be analyzed according to EPA Methods 602 a <br /> and 5030. Laboratory detection limits are presented in the <br /> following table. f. <br /> 1 LABORATORY DETZCTION LIMITS <br /> SOIL WATER F <br /> COMPOUND %7hml ) <br /> GASOLINE 10 . 50 <br /> DIESEL 10 . 100 <br /> TRANSMISSION ( _ <br /> FLUID 10 lOQ <br /> BENZENE 0.005 0.3 <br /> TOLUENE 0.005 0.3 <br /> ETHYLBENZENE 0.005 0.3 <br /> XYLENES 0.015 0.6 <br /> 4 <br /> l ' <br /> 1 <br />