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RECEIVED <br /> ccs 15 2016 <br /> SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVAL/FWIR')RKWA1 t{EgLTH <br /> The following represents minimum sampling criterion required for closure compliance. Soil sampleREBb(IeJ'df bR'tAWSbe <br /> representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 feet. Samples <br /> cannot be combined into a composite sample for analysis in the field or the lab. Each sample must have a set of <br /> corresponding analytical results. If contamination is documented during closure, an Unauthorized Release Notification must be <br /> completed and submitted within five(5)working days pursuant to California Health&Safety Code, Section 25295. <br /> DISPENSER PIPING AND STOCKPILE SAMPLES <br /> DISPENSER SAMPLES 1 Sample beneath each dispenser <br /> PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> DISPENSER& PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br /> FOR UNDERGROUND STORAGE TANK INVESTIGATIONS <br /> TANK TANK Gasoline Diesel BTEX VOCst'1 Semi- Oil 8 PCB Total Title 22 <br /> # CONTENTS VOCsIZI Grease Lead Metals(3) <br /> 8015M 80218 82608 8082 7421 <br /> 82606 8015M 82608 8270C 1ssaA <br /> Unknown Fuel X X X X <br /> (C4-C36) <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 /> L <br /> olvent <br /> nated) X X <br /> d X X <br /> or <br /> ontents 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 methyl- <br /> tertiary-butyl ether(MTBE), diisopropyl ether(DIPE), ethyl-tertiary-butyl ether(EtBE), tertiary-amyl-methyl <br /> ether(TAME), tertiary-butanol(TBA), methanol and ethanol and fuel additives 1,2-dichloroethane (1,2-DCA) <br /> 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 furans by EPA <br /> Method 8290 and pesticides by EPA Method 8081 A. <br /> 3. Title 22 Metals: Method 6010B may be used for all but the following metals, for which individual AA methods <br /> are required: Antimony&Arsenic by 7062, Cadmium by 7131A, Lead by 7421, Mercury by 7471A, Nickel by <br /> 7521, Selenium by 7742, and Thallium by 7841. <br /> 4. Non-proprietary, performance based analytical methods may be used with approval of Regional Board staff. <br /> EH230038(revised 7-26-2016) 5 <br />