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SAN.dOAQUIN Environmental Health Department <br />COUNTY <br />TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br />FOR UNDERGROUND STORAGE TANK INVESTIGATIONS <br />TANK <br />TANK <br />Gasoline <br />Diesel <br />BTEX <br />VOCs(') <br />Semi- <br />oil & <br />PCB <br />Total <br />Title 22 <br /># <br />CONTENTS 7 <br />VOCs(2) <br />Grease <br />Lead <br />Metalsl3i <br />8015M <br />80216 <br />82606 <br />8082 <br />7421 <br />82608 <br />8015M <br />82606 <br />8270C <br />1664A <br />Unknown Fuel <br />X <br />X <br />X <br />X <br />(C4 -C36) <br />Gasoline <br />X <br />X <br />X <br />(C4 -C20) <br />Diesel <br />X <br />X <br />X <br />(C10—C36) <br />Jet Fuel/Kerosene <br />(C9 -C20) <br />X <br />X <br />Heating Oil <br />X <br />X <br />(C10 -C32) <br />Stoddard Solvent <br />(non -chlorinated) <br />X <br />X <br />C8 -C20 <br />Chlorinated <br />X <br />X <br />Solvents <br />Waste Oil or <br />X <br />X <br />X <br />X <br />X <br />X <br />X <br />Unknown Contents <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 maybe used for all but the following metals, for which individual AA <br />methods are required: Antimony & Arsenic by 7062, Cadmium by 7131 A, Lead by 7421, Mercury by <br />7471 A, 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 />