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• PIPING REMOVAL DOCUMENTATION SAMPLING One soil sample was obtained fionn nati,,e soil beneath the removed pioduct dispensing piping for appio\imately every 20 linear feet of piping trench and from beneath each dispenser Each sample \\as collected in a 2-inch by 6-inch clean brass slee%e Immediately after obtaining the soil sample it \\as field screened with a PID (photo-ionizing detector) containing a 10 2 ev bulb foi the piesence of volatile organic compounds, gasoline ranges The sample sleeve was thein sealed xN ith teflon sheets and plastic end caps to pievent the loss of VOC's (volatile organic compounds) The brass sleeve was then labeled with site ID sample ID date and time sampled name of sampler and labosatory analvsis needed Once labeled the sample vas placed into a ziplock baggy sealed and placed into an ice chest containing ice to keep the sample cool until delixery to the analytical labor atory A Chain of Custody (CofC) was completed documenting the site ID sample ID s date and time samples were obtained the laboratory analysis needed and the name of the samples The CofC tollows the sannples and documents the Mio and N%hen of possession transfer of the samples fiom collection through final analysis by California Ceitifred Laboratory North State Environmental FLAP Certificate No 1753, see Appendi\ A • SAMPLE ANALYSIS The thiee UST s contained unleaded gasoline San Joaquin County Health and the State of California require that the soil samples be anal}zed for Total Petroleum Hydiocatbons as gasoline (TPI-I«) using EPA methods 8015 or 8260 foi Benzene Toluene Ethylbenzene and Xylenes using EPA methods 8020 or 8260 and the fuel o\ygeinants (Ethanol, MTBE TBA D1PE ETBE and TAME) using EPA i-rnethods 8260 NOTIFICATIONS Underground Service Alert (USA), the City of Stockton Fire Department and San Joaquin County Health were notified 48 hours in advance of any sampling, excavating and/or drilling at the site 2 R-603 ppiig samples 2-2000 i