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The following represents minimum sampling criterion required for closure compliance. Soil samples collected shat e <br />representative of native soils beneath the tank's invert (tank's bottom) at a collection depth not to exceed 2 - 4 f t. If <br />contamination is documented during closure, an Unauthorized Release Notification must be completed and submitted wit n five (5) <br />working days pursuant to California Health & Safety Code, Section 25295. <br />DISPENSER PIPING AND STOCKPILE SAMPLES <br />rp :j q mm, a gon s • . <br />DISPENSER SAMPLES <br />1 Sample beneath each di enser <br />STORAGE <br />PIPING SOIL SAMPLES <br />1 Sample every 20 li al feet <br />DISPENSER & PIPING STOCKPILE SAMPLES <br />2 Samples every 0 cubic yards <br />rp :j q mm, a gon s • . <br />Notes: <br />1. EPA Method 82 OB analyses must include all analytes listed in the method plus fuel oxygenates methyl - <br />tertiary -butyl a er (MTBE), diisopropyl ether (DIPE), 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 ethylen dibromide (EDB or 1,2-dibromoethane). <br />2. If pentac orophenol (PCP) is identified, analyze the soil and/or water sample for dioxins and furans by EPA <br />Method 290 and pesticides by EPA Method 8081 A. <br />3. MET LSI <br />S ICAP or, A Inductively Coupled Plasma Atomic Emission Spectrometry 6010 or Atomic Absorption <br />Sp trometry 7000. Metals: Cadmium, Chromium III and VI, Lead, Zinc and Nickel. <br />4. n -proprietary, performance based analytical methods may be used with approval of Regional Board staff. <br />Revised 02/20/09 <br />4 <br />FOR <br />UNDERGROUND <br />STORAGE <br />TANK TIGATIONS <br />TANK <br />TANK <br />TPH-G <br />TPH-D BTX & E <br />CL HC TOT MTBE <br />OXYGENATES <br />METALS PCB <br /># <br />CONTENTS <br />LE <br />(MTBE, TBA, DIPE, <br />ICRP/AES 8270 <br />8015 <br />8015 8020 <br />8010 <br />ETBE,TAME) <br />or 8080 <br />8260 <br />8260 8260 <br />8240/4208020 <br />8260 <br />1,2 DCA & EDB <br />82601 <br />AA <br />8260 <br />LEADED GAS <br />X <br />X <br />X <br />X <br />UNL GAS <br />X <br />X <br />X <br />DIESEL <br />X <br />X <br />X <br />KEROSENE <br />X <br />LINK FUEL <br />X <br />X <br />X <br />X <br />X <br />PROD. OIL <br />X <br />X <br />X <br />CHLOR. <br />SOLVENTS <br />X <br />X <br />X <br />NONCHLOR <br />SOLVENTS <br />X <br />X <br />X <br />WASTE\USED OIL <br />OR <br />UNKNOWN <br />/I <br />X <br />X <br />X <br />X <br />X <br />X <br />CONTENTS <br />I <br />Notes: <br />1. EPA Method 82 OB analyses must include all analytes listed in the method plus fuel oxygenates methyl - <br />tertiary -butyl a er (MTBE), diisopropyl ether (DIPE), 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 ethylen dibromide (EDB or 1,2-dibromoethane). <br />2. If pentac orophenol (PCP) is identified, analyze the soil and/or water sample for dioxins and furans by EPA <br />Method 290 and pesticides by EPA Method 8081 A. <br />3. MET LSI <br />S ICAP or, A Inductively Coupled Plasma Atomic Emission Spectrometry 6010 or Atomic Absorption <br />Sp trometry 7000. Metals: Cadmium, Chromium III and VI, Lead, Zinc and Nickel. <br />4. n -proprietary, performance based analytical methods may be used with approval of Regional Board staff. <br />Revised 02/20/09 <br />4 <br />