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SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVALL) <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples &Q9ct}d2s9A1i3be <br /> representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 feet. If <br /> contamination is documented during closure, an Unauthorized Release Notification must be completed ex"."ONY AL <br /> (5)working days pursuant to California Health&Safety Code, Section 25295. HFAITN ncoeoTeeGnIT <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 TPH-G TPH-D BTX&E CL HC TOTAL MTBE OXYGENATES METALS PCB <br /> # CONTENTS LEAD (MTBE,TBA,DIPE, ICAP/AES 8270 <br /> 8015 8015 8020 8010 8020 ETBE,TAME) or 8080 <br /> 8260 8260 8260 8240 7420 8260 1,2 DCA&EDB <br /> 8260 7421 AA <br /> 8260 <br /> LEADED GAS X X X X <br /> UNL GAS X X X <br /> DIESEL X X <br /> KEROSENE X X X <br /> UNK FUEL X X X X X <br /> PROD. OIL X X X <br /> CHLOR. )( <br /> SOLVENTS X X <br /> NONCHLOR )( <br /> SOLVENTS X X <br /> WASTE\USED OIL <br /> OR <br /> UNKNOWN X X X X X X X <br /> CONTENTS <br /> L I �E I I --- ---. I ,,a <br /> Notes. <br /> 1. EPA Method 82608 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 8081A. <br /> 3. METALS ICAP or AA Inductively Coupled Plasma Atomic Emission Spectrometry 6010 or Atomic Absorption <br /> Spectrometry 7000. Metals: Cadmium, Chromium III and VI, Lead,Zinc and Nickel. <br /> 4. Non-proprietary, performance based analytical methods may be used with approval of Regional Board staff. <br /> Revised 0220109 <br /> 5 <br />