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SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVALIREPLACEMENT <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples col cted shall be <br /> representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exce 2 - 4 feet, If <br /> contamination is documented during closure,an Unauthorized Release Notification must be completed and su fitted 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 beneat each dispenser <br /> PIPING SOIL SAMPLES 1 Sample e ry 20 lineal feet <br /> DISPENSER &PIPING STOCKPILE SAMPLES 2 Sam s every 50 cubic yards <br /> TABLE#2 RECOMMENDED MINIMUM VE [CATION ANALYSES <br /> FOR UNDERGROUND STORAGE T&NK INVESTIGATIONS <br /> TANK TANK TPH-G TPH-D BTX&E CL TOTAL MTBE OXYGENATES METALS PCB <br /> # CONTENTS LEAD (MTBE,TBA,RIPE, ICAP/AES 8270 <br /> 8015 8015 8020 010 8020 ETBE,TAME) or 8080 <br /> 8260 8260 8260 8240 7420 8260 1,2 DCA&EDS <br /> 8260 7421 AA <br /> 8280 <br /> LEADED GAS X X X <br /> UNL GAS X x X <br /> DIESEL }C <br /> KEROSENE X X X <br /> LINK FUEL X X X X X <br /> PROD. OIL X X X <br /> CHLOR, <br /> SOLVENTS X X X <br /> NONCHLOR <br /> SOLVENTS X X X <br /> WASTEIUS OIL <br /> OR <br /> UNKN X X X X X x X <br /> CON NTS <br /> /2, <br /> s- <br /> EPA Method 8260B analyses must include all analytes listed in the method plus fuel oxygenates methyl- <br /> ertiary-butyl ether(MTBE), diisopropyl ether(RIPE), 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 /> f 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 [CAP 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 02l20/09 <br /> 4 <br />