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05 September 2001 <br /> AGE-NC Project No. 00-2025 <br /> Page 2 of 3 <br /> An inspector from the City of Stockton Fire Department was on hand to oversee the tank removal <br /> activities. After being removed, the tank was visually inspected and appeared to be intact, with <br /> no holes or extensive corrosion noted. The tank was subsequently transported to West Coast <br /> Equipment Company of Turlock for disposal. <br /> Soil removed to uncover the tank was replaced in the excavation over plastic sheeting and <br /> compacted back into the UST excavation. <br /> SOIL SAMPLING <br /> Following removal of the tank, a backhoe was used to collect a soil sample from 2 feet below the <br /> end of the former UST (Figure 2). A composite-soil sample was collected from the soil stockpile. <br /> Each soil sample was collected with a metric soil sampling hammer, loaded with a pre-cleaned <br /> brass sleeve. The ends of the brass sleeves were sealed with a Teflon plastic and end caps were <br /> tapped over the ends of each sample sleeve. <br /> Samples were collected by Precision Enviro-Tech (PET) of Stockton, a State of California <br /> Department of Health Services (DHS)-certified laboratory. The date and time the soil samples <br /> were taken were noted on the chain-of-custody form included with the attached laboratory report <br /> and quality control data. The samples were labeled and placed in a chilled container. The samples <br /> were transported under chain-of-custody to PET. The date and time the soil samples were <br /> collected were noted on the chain-of-custody form included with the attached laboratory report <br /> and quality control data. <br /> The soil samples were analyzed for: <br /> • Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d) in <br /> accordance with EPA Method 8015-modified, <br /> • Purgeable aromatics benzene, toluene, ethylbenzene and total xylenes (BTEX) in <br /> accordance with EPA Method 8020, <br /> • Oxygenating fuel additives methyl tertiary butyl ether (MTBE), tertiary butyl alcohol <br /> (TBA), di-isopropyl ether (RIPE), ethyl tertiary butyl ether (ETBE) and tertiary amyl <br /> methyl ether(TAME) in accordance with EPA Method 8260m, <br /> • LUFT metal lead in accordance with EPA Methods 6010 and 7000. <br /> Advanced GwEnvironmentol,lac. <br />