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SAMPLING PROTOCOL FOR ROUTINE PIPINGIDISPENSER REMOVAL/REPLACEMENT <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <br /> representative of native sods beneath the tank's invert (tanksbottom) at a collection depth not to exceed 2 - 4 feet. If <br /> contamination is documented during closure,an Unauthorized Release Notification must be completed and submitted within five(5) <br /> 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 TANKTPH-G TPNH-D 6TX&E GL HG TOTAL MTtSE OXYGENATES METALS PCB <br /> # CONTENTS LEAD ww.TQA,Dim ICAPfAES 8270 <br /> 8015 5015 8020 8010 5020 EME.TAME) or 8080 <br /> SM 8260 8260 8240 7420 1,2 DCA&EDB <br /> 8 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 /> LINK FUEL X X X X X <br /> PROD.OIL X X X <br /> CHLOR. X <br /> SOLVENTS X X <br /> NONCHLOR X <br /> SOLVENTS X X <br /> WASTE%USED OIL <br /> OR <br /> UNKNOWN X X X X X X X <br /> CONTENTS <br /> Notes: <br /> 1. EPA Method 826061 analyses must include all analytes fisted in the method plus fuel oxygenatesmethyl- <br /> tertiary-butyl ether(MTBE),diisopropyl ether(DIPS), yt-tertiary-butyl ether(EIBE),tertiary-amyl-methyl <br /> ether(TAME),tertiary-butanol(TBA),methanol and ethanol and fuel additives 1,2-dichlorthane(1,2-DCA) <br /> and ethylene clibromide(EDS or 1,2-di h ). <br /> 2. If pentachlorophenol(PCP)is identified,analyze the soil andfor water sample for dioxins and furans by EPA <br /> Method 8290 and pesticides by EPA Method SNIA. <br /> 3. METALS ICAP or AA Inductively Coupled Atomic Emission Spectrometry 6010 or Atomic Absorption <br /> Spectrometry 7000. Metals:Cadmium,Chromium[if and Vt.Lead,Zinc and Nickel. <br /> 4. Non-proprietary,performance based analytical y be used with approval of Regional Board staff. <br /> Revised 0 <br /> 4 <br />