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City of Stockton A68106-OIA <br /> May 29, 1996 Page 6 <br /> .................... . ..... <br /> ................ ....... <br /> Type of Analysis Preparation Method Analyti:a!Method Method Detection Limit <br /> Water Sample Analyses <br /> Benzene,Toluene, 50301 22 <br /> Ethylbenzene,and Xylenes <br /> (BTEX) <br /> Total Petroleum 35101 GC/FID 50 yg/L <br /> Hydrocarbons- Diesel Range <br /> Constituents(TPH-D) <br /> Methyl Tertiary Butyl Ether 5030 602 5.ug/L <br /> (MTBE) <br /> Soil Sample Analyses <br /> Benzene,Toluene, 5030 8020' 0.005 mg/kg <br /> Ethylbenzene,and Xylenes; <br /> (BTEX) <br /> Total Petroleum 5030 GC/FID 10 mg/kg <br /> Hydrocarbons - Diesel Range <br /> 7, Constituents (TPH-D) <br /> L Methyl Tertiary Butyl Ether 5030 3020 0.05 mg/kg <br /> (M BTE) <br /> CJC/FlD = Gas Chromatography/Flame lonhation Detection <br /> m-,/kg milligrams per kilogram <br /> micrograms per liter <br /> I United States Environmental Protection Agency(U.S. EPA), 1986 <br /> 2 California State Water Resources Control Board, 1988 <br /> Twining is a California Department of Health Serv[ces certified hazardous waste laboratory <br /> (Certificate No. 1371) for the analyses outlined herein. A description of laboratory quality <br /> assurance/quality control procedures proposed foi the analyses are described in the SOPs <br /> presented in Appendix A. <br />