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�= _~ <br /> SAMPLING PROTOCOLPIPING/DISPENSER '--'-VAL/REPLACEMENT <br /> NTAL �������T�� <br /> compliance.The <br /> 8oObe <br /> representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed ples <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 VOCs0) Semi- Oil& PCB Total Title 22 <br /> CONTENTS vocs(2) Grease Lead Metals(3) <br /> 8015M 8021B 8260B 8082 7421 <br /> 8260B 8015M 8260B 8270C 1664A <br /> Unknown Fuel <br /> Gasoline <br /> Diesel <br /> Jet Fuel/Kerosene <br /> Heating Oil <br /> Stoddard Solvent <br /> Solvents <br /> Unknown Contents <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), diioopnopy|ether(D|PE). ethyl-tertiary-butyl edher(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 dibnomide(EDB or1.3'dibnomoethano). <br /> 2. If pentachlorophenol (PCP) is identified, analyze the soil and/or water sample for dioxins and furans by EPA <br /> Method 829Oand pesticides byEPA Method 8D81A. <br /> 3. Title 22 YNato|a: Method GD1OB may beused for all but the following metals,for which individual/Amethods <br /> are required: Antimony&Arsenic by7OG3. Cadmium by7131A. Lead by7421. Mercury by7471A. Nickel by <br /> 7521. Selenium by7742. and Thallium by7841. <br /> 4. Non-proprietary, performance based analytical methods may be used with approval of Regional Board staff. <br />