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09/09/2009 WED 11: 03 FAX 2n94683433 SJC EHD --- Stockton Sery Sta Eq Cc 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 feel. 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 AND STOCKPILE SAMPLES <br /> DISPENSER SAMPLES 1 Sample beneath each dispenser <br /> PIPING SOIL SAMPLES 11 <br /> Sample every 20 lineal feet <br /> DISPENSER&PIPING STOCKPILE SAMPLES Samples every 50 cubic yards <br /> TABLE#2 RECOMMENDED MINIMUM VIFICATION ANALYSES <br /> FOR UNDERGROUND STORAGE T= INVESTIGATIONS <br /> TANK TANK TPH-G TPH-D BTX8,E CLHC OTAL MTBE OXYGENATES METALS PCB <br /> # CONTENTS LEAD (MT8E,TBA,DIPE, ICAP/AES 8270 <br /> 8015 8 15 8020 8010 020 ETBE,TAME) or 8080 <br /> 8260 82 0 8260 882600 7420 8260 ,2 DCA&EDB AA <br /> 8260 <br /> LEADED GA X X X X <br /> UNL GAS 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. <br /> SOLVENTS X X <br /> NONCHLOR <br /> SOLVENTS X X <br /> WASTE\USED OIL A\ <br /> OR <br /> UNKNOWN X XX X X X X <br /> CONTENTS <br /> Notes: <br /> 1. EPA Method 826 analyses must include all a alytested in the method plus fuel oxygenates methyl- <br /> tertiary-butyl ether(MTBE),diisopropyl ether(DI E),eth I-tertiary-butyl ether(EtBE),tertiary-amyl-methyl <br /> ether(TAME),terti ry-butanol(TBA),methanol nd ethanol and fuel additives 1,2-dichloroethane(1,2-DCA) <br /> and ethylene dibro de(EDB or 1,2-dibromoet ne). <br /> 2. If pentachloropheno (PCP)is identified,analyz the soil and/or water sample for dioxins and furans by EPA <br /> Method 8290 and p ticides by EPA Method 80 1A. <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 02/20/09 <br /> 4 <br />