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+c <br /> CAMBRIA <br /> UST Soil Sampling Cambria collected soil samples on January 22, 1999 Soil samples were <br /> collected from the bottom of the UST excavation at locations specified by Ms Foley Six <br /> samples (TS-I through TS-6) were collected at depths ranging from 10 5 to 14 0 fbg <br /> (Plate 3) Soil samples were collected from the tank excavation bottom using a backhoe <br /> The soil was removed from the backhoe bucket, packed into clean brass sample tubes, and <br /> tube ends were covered with Teflon tape and plastic end caps Soil samples were labeled, <br /> placed into a cooler with ice, entered onto a Chain of Custody record, and transported to a <br /> California-certified analytical laboratory <br /> Soil samples from the UST excavation were analyzed for TPPH, BTEX and methyl tertiary <br /> butyl ether (MTBE) by EPA Method 8020, total lead, and fuel oxygenates <br /> Dispenser and Piping Soil Sampling Five product dispensers and most of the associated <br /> product and vapor recovery piping were removed prior to Cambria's arrival onsite Soil <br /> samples from beneath the former product dispensers (DS-1 through DS-4) and piping (PL-1 <br /> through PL-9, VR-1, VR-2, and VL-1) were collected at locations specified by Ms Foley <br /> Four samples were collected from native soil beneath four former product dispensers at an <br /> approximate depth of 2 0 fbg Twelve soil samples were collected from native soil beneath <br /> • the former product piping, vapor recovery piping, and vent lines at approximate depths <br /> ranging from 1 5 to 3 0 fbg Sample locations are shown on Plate 3 These soil samples were <br /> analyzed for TPPH, BTEX and MTBE, total lead, and fuel oxygenates <br /> Over-excavation- Petroleum hydrocarbons were detected in several soil samples collected on <br /> January 22, 1999 Cambria returned to the site on February 4, 1999 to remove impacted soil <br /> and collect additional samples in these areas Over-excavation was performed in the UST <br /> excavation, beneath Dispensers 1, 2, and 3, in five locations beneath product piping, and in <br /> two locations beneath vapor recovery piping as directed by Mr Harlin Knoll of the SJCPHS <br /> and in accordance with Cambria's work plan dated January 29, 1999 (originally submitted by <br /> Enviros on September 30, 1996) The locations where soil samples were collected subsequent <br /> to over-excavation are shown on Plate 3 Soil samples were analyzed for TPPH, BTEX and <br /> MTBE, total lead, and fuel oxygenates <br /> Soil Disposal All excavated soil was temporarily stored onsite and covered with plastic <br /> sheeting The soil stockpile was sampled and profiled for disposal On February 15, 1999, <br /> Manley and Sons Trucking, Inc (Manley) of Sacramento, California transported <br /> approximately 183 tons of soil to Forward, Inc 's Manteca, California landfill After SSSEC <br /> excavated a new tank pit and piping trenches, Manley transported an additional 759 tons of <br /> • soil on March 29, 1999 and 92 tons of soil on May 13, 1999 to Forward, Inc 's Manteca, <br /> 241-1346 3 <br />