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March 26, 1998 <br /> Page 3 <br /> ppm, respectively. MtBE was detected in samples T-2-N and T-3-E at concentrations <br /> of 0.19 and 3.6 ppm, respectively. No other oxygenates included in the EPA Method <br /> 8260 analyses were detected in collected soil samples. In addition, lead was not <br /> detected in any of the analyzed samples. <br /> • Approximately 1,241 tons of soil were removed from the old and new UST locations <br /> and transported to Forward Landfill in,Stockton, California for disposal. Although soil <br /> excavated from the new UST location was intended for reuse on site, analytical data <br /> from the removed soil warranted off-site disposal. <br /> • Approximately 17,000 gallons of hydrocarbon-impacted groundwater was removed <br /> from the new UST excavation and transported for off-site treatment. Groundwater was <br /> removed to accommodate installation of the new USTs. <br /> If there are any questions or comments regarding the contents of this report, please call us <br /> at(916) 858-2350. <br /> Sincerely, <br /> Pacific Environmental Group,Inc. <br /> ennifer cCollum <br /> Staff Scientist <br /> W, B GCS <br /> 4556 z <br /> Christine Brown • <br /> Senior Geologist <br /> RG 4556 TF OF CAL�EO <br /> Attachments: Table 1 - Soil Analytical Data Gasoline UST Excavation <br /> Table 2 - Soil Analytical Data Stockpiled Soils <br /> Figure 1 - Site Location Map <br /> Figure 2 - TPH-g/Benzene/MtBE Concentration Map <br /> Attachment A - Field and Laboratory Procedures <br /> Attachment B - Certified Analytical Reports and Chain-of-Custody <br /> Documentation <br /> cc: Mr. Mike Infuma, Public Helath Services, San Joaquin County <br /> Ms. Elizabeth Thayer, Regional Water Quality Control Board - Central.Valley <br /> Region <br /> 911-00i iA/TKPULRPT.DUC <br />