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.09/09/2009 WED 11: 03 FAX 683433 SJC 8HD --» Stockton Sery StCc 2006/008 <br /> SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER REMOVAUREPLACEMENT <br /> The following represents minimum sampling criterion required for closure compliance. Soil samples collected shall be <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 and submitted within five(5) <br /> working days pursuant to California Health&Safely Code,Section 25295. <br /> DISPENSER PIPING ND STOCKPILE SAMPLES <br /> DISPENSER SAMPLES 1 Sample beneath each dispenser I <br /> PIPING SOIL SAMPLE 1 Sample every 20 lineal feet <br /> DISPENSER&PIPIN STOCK LE ES 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- BTX&E CL HC TOTAL MTBE GXfGENATES METALS PCB <br /> # CONTENTS LEAD <br /> 8,415 801 8 0 8010 (MTBE,TBA,OIPE, ICAP/AES 8270 <br /> 8260 826 826 8240 742 8020 ETBE,TAME) or 8080 <br /> 82801 8260 1,2 DCA&EDB AA <br /> e260 <br /> LEADED GAS X X X <br /> UNL GAS X <br /> X <br /> DIESEL X <br /> KEROSENE X X <br /> UNK FUEL X X X X X <br /> PROD.OIL X X X <br /> CHLOR. <br /> SOLVENTS X X <br /> NONCHLO <br /> SOLVE X X <br /> W E\USED OIL ` <br /> OR <br /> UNKNOWN X X X X X X X <br /> CONTENTS <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-tedary-butyl ether(ELBE),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]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 02/20/09 <br /> 4 <br />