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SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVAL/REPLACEENT <br /> The following represents minimum sampling criterion required for Gosure compliance. Soil samples collected shall be <br /> S <br /> of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 feet. If <br /> ntamination is documented during closure,an Unauthorized Release Notification must be completed and submitted within five(5) <br /> w ing days pursuant to California Health&Safety Code,Section 25295. <br /> DISPENSER PIPING AND STOCKPILE SAMPLES <br /> DISPENSER SAMPLES 1 Sample beneath each dispenser <br /> (PING SOIL SAMPLES 1 Sample every 20 lineal feet <br /> DIS NEER&PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br /> TAinflE#2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br /> FO UNDERGROUND STORAGE TANK INVESTIGATIONS <br /> TANK TANK 7TPHTPH-D BTX&E CL HC TOTAL MTBE OXYGENATES METALS PCB <br /> # CONTENTS LEAD 8270 <br /> 8015 $015 8020 8010 (MTBE,TBA,DIPE, ICAP/AES <br /> 8260 60 8260 8240 7420 8020 ETBE,TAME) or 8080 <br /> 8260 7421 8260 1,2 DCA&EDB 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 X <br /> NONCHLOR <br /> SOLVENTS X X X <br /> WA <br /> STE\USED OIL <br /> OR <br /> UNKNOWN X X X X X X X <br /> CONTENTS <br /> Notes: <br /> 1. EPA Method 8260B analyses must include all analytes listed in the meth plus fuel oxygenates methyl- <br /> tertiary-butyl ether(MTBE),diisopropyl ether(DIPE), ethyl-tertiary-butyl eth (EtBE),tertiary-amyl-methyl <br /> ether(TAME),tertiary-butanol(TBA), methanol and ethanol and fuel additive 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 ioxins and furans by EPA <br /> Method 8290 and pesticides by EPA Method 8081 A. <br /> 3. METALS ICAP or AA Inductively Coupled Plasma Atomic Emission Spectrometry 601 or Atomic Absorption <br /> Spectrometry 7000. Metals:Cadmium,Chromium III and VI, Lead,Zinc and Nic el. <br /> 4. Non-proprietary, performance based analytical methods may be used with approval of Re Tonal Board staff. <br /> Revised 02/20/09 <br /> 4 <br />