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SAMPLING PROTOCOL FOR ROUTINE PIPING/DISPENSER RE OVAUREPLACEMENT <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 & Safety Code, Section 25295. <br />rmancucco DIDIN(: ANn STCICKPILE SAMPLES <br />TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br />FOR <br />DISPENSER SAMPLES 1 Sample beneath each dispenser <br />STORAGE <br />PIPING SOIL SAMPLES 1 Sample every 20 lineal feet <br />DISPENSER & PIPING STOCKPILE SAMPLES 2 Samples every 50 cubic yards <br />TABLE #2 RECOMMENDED MINIMUM VERIFICATION ANALYSES <br />FOR <br />UNDERGROUND <br />STORAGE <br />TANK INVESTIGATIUNti <br />TANK TANK <br />TPH-G <br />TPH-D BTX & E CL HC <br />TOTAL MTBE <br />OXYGENATES <br />M ALS <br />PCB <br /># CONTENTS <br />LEAD <br />(MTBE, TBA, DIPE, <br />AP/AES <br />8270 <br />8015 <br />8015 8020 8010 <br />8020 <br />ETBE,TAME) <br />or <br />8080 <br />8260 <br />8260 8260 8240 <br />7420 8260 <br />1,2 DCA & E <br />AA <br />8260 <br />7421 <br />826 <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 />KEROSENE <br />X <br />UNK FUEL <br />X <br />X <br />X <br />X <br />PROD. OIL <br />X <br />X <br />X <br />CHLOR. <br />X <br />SOLVENTS <br />X <br />X <br />NONCHLOR <br />X <br />SOLVENTS <br />X <br />WASTE\USED OIL <br />OR <br />X <br />X <br />X <br />X <br />X <br />X <br />X <br />UNKNOWN <br />CONTENTS <br />Notes: <br />1. EPA Method 8260B analyses m/,mnethanol <br />e all analytes listed in the method plus fuel oxygenates methyl - <br />tertiary -butyl ether (MTBE), diisoher (DIPE), ethyl -tertiary -butyl ether (EtBE), tertiary -amyl -methyl <br />ether (TAME), tertiary-butanol/(TB and ethanol and fuel additives 1,2-dichloroethane (1,2 -DCA) <br />and ethylene dibromide (ED ormoethane). <br />2. If pentachlorophenol (PCP)entified, analyze the soil and/or water sample for dioxins and furans by EPA <br />Method 8290 and pesticide �byy EPA Method 8081 A. <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 />