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SANJ O A Q U I N Environmental Health Department <br /> COUNTY <br /> TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br /> FOR UNDERGROUND STORAGE TANK INVESTIGATIONS <br /> TANK TANK Gasoline Diesel BTEX VOCO) Semi- oil& PCB Total Title 22 <br /> # CONTENTS VOCs(2) Grease Lead Metalst3l <br /> 8015M 8021B 82608 8082 7421 <br /> 8260B 8015M 8260B 8270C 1664A <br /> Unknown Fuel <br /> (C4-C36) X X X X <br /> Gasoline <br /> (C4-C20) X X X <br /> Diesel <br /> (C10—C36) X X X <br /> Jet Fuel/Kerosene <br /> (C9-C20) X X <br /> Heating Oil <br /> (C10-C32) X X <br /> Stoddard Solvent <br /> (non-chlorinated) X X <br /> C8-C20 <br /> Chlorinated <br /> Solvents X X <br /> Waste Oil or <br /> Unknown Contents X X X X X X X <br /> Notes: <br /> 1. EPA Method 8260B analyses must include all analytes listed in the method plus fuel oxygenates <br /> methyl-tertiary-butyl ether(MTBE), diisopropyl ether(DIPE), ethyl-tertiary-butyl ether(EtBE), <br /> tertiary-amyl-methyl ether(TAME), tertiary-butanol (TBA), methanol and ethanol and fuel additives <br /> 1,2-dichloroethane (1,2-DCA) and ethylene dibromide (EDB or 1,2-dibromoethane). <br /> 2. If pentachlorophenol (PCP) is identified, analyze the soil and/or water sample for dioxins and <br /> furans by EPA Method 8290 and pesticides by EPA Method 8081A. <br /> 3. Title 22 Metals: Method 6010B may be used for all but the following metals, for which individual AA <br /> methods are required: Antimony &Arsenic by 7062, Cadmium by 7131A, Lead by 7421, Mercury by <br /> 7471A, Nickel by 7521, Selenium by 7742, and Thallium by 7841. <br /> 4. Non-proprietary, performance based analytical methods may be used with approval of Regional <br /> Board staff. <br /> 7of10 <br />