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City of Stockton A68101.02C <br /> February 23, 1996 Page 10 <br /> ............. ............... .. ....... <br /> LE, .......... <br /> IB <br /> ..L.............. <br /> .........n . .... ... . ..Methods: <br /> ... ... .... <br /> JV.'re9ara Iowa �i�Analytical <br /> Type of Analysis Preparation Method F Analytira[Method Method Dctcctkm limit <br /> Water Sample Analyses <br /> Benzene,Toluene, 50301 6022 <br /> 0.5,ug/L <br /> Ethylbenzene,and Xylenes <br /> (FTEX) <br /> Total Petroleum 5030 GC/FID3 50,ug/L <br /> Hydrocarbons-Gasoline Range <br /> Constituents('1TH-G) <br /> Total Petroleum 35101 GC/FID 50,ug/L <br /> Hydrocarbons-Diesel Range <br /> Constituents MH-D) <br /> Methyl Tertiary Butyl Ether 5030 602 5,u&/L <br /> (MTBE) <br /> Soil Sample Analyses <br /> Benzene,Toluene, 5030 80201 0.005 mg/kg; <br /> Ethylbenzene,and Xylenes <br /> (BTEX) <br /> Total Petroleum 5030 GC/FID 1.0 mg/kg; <br /> Hydrocarbons-Gasoline Range and <br /> Constituents(I-PH-G) 13111 <br /> Total Petroleum 5030 GC/FID 10 mg/kg <br /> Hydrocarbons-Diesel Range and <br /> Constituents(rPH-D) 1311 <br /> Methyl Tertiary Bury[ Ether 5030 8020 0.05 mg/kg; <br /> (METE) <br /> GC/FID = Gas Chromatography/Flame Ionization Detection <br /> mg/kg = milligrams per kilogram <br /> ,ug/L micrograms per liter <br /> I United States Environmental Protection Agency(U.S.EPA), 1996 <br /> 2 California State Water Resources Control Board,IM <br /> 3 U. S.EPA, 1982 <br /> Twining is a California Department of Health Services certified hazardous waste laboratory <br /> (Certificate No. 1371) for the analyses outlined herein. A description of laboratory quality <br /> assurance/quality control procedures proposed for the analyses are described in the SOPs <br /> presented in Appendix A. <br />