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CAMBRIA eastern half of the UST excavation, beneath the southeast, northwest, and southwest dispensers, and in one location beneath product piping as directed by Mr Ron Rowe of SJCPHS-EHD (Figure 2) Areas of the tank excavation bottom were over-excavated until there were no field indications of hydrocarbons or when groundwater was encountered Groundwater was encountered in the UST excavation at approximately 25 fbg Soil samples, except T7-N-24 5' and T7-S-19', were analyzed for TPHg, TPHd, BTEX and methyl tertiary butyl ether (MTBE) by EPA Method 8020, fuel oxygenates, and total lead Samples T7-N-24 5' and T7-S-19' were analyzed for TPHg, BTEX, MTBE, oxygenates, and total lead Areas beneath the former dispensers and product piping were over-excavated, as allowed by existing site features, until there were no field indications of hydrocarbons Soil samples were analyzed for TPHg, TPHd, BTEX, MTBE, fuel oxygenates, and total lead Tent Line Sail Sampling All vent line piping was removed prior to Cambria s arrival onsite on September 22, 1999 Due to the amount of pea gravel in the piping trench, no soil samples could be collected at that time K E Curtis removed the pea gravel and on September 29, 1999, Cambria returned to the site and collected two soil samples from native soil beneath the former vent lines at locations specified by Mr Sasson of SJCPHS-EHD The soil samples were collected at approximate depths of 4 5 and 6 fbg Sample locations are shown on figure 2 These soil samples were analyzed for TPHg TPHd, BTEX MTBE, fuel oxygenates, and total lead Soil Disposal Approximately 700 tons of soil were excavated during the tank removal This soil was stored onsite in two stockpiles and covered with visqueen The stockpiles were sampled and profiled for disposal Soil from one stockpile was classified as California hazardous for lead On August 6 and 7, 1999, Manley and Sons Trucking, Inc (Manley) of Sacramento, California transported approximately 367 tons of hazardous soil to Safety- Kleen's Buttonwillow, California landfill The other stockpile was classified as non-hazardous, and on July 20, 1999, Manley transported approximately 334 tons of soil to Forward, Inc 's Manteca, California landfill Soil generated during over-excavation activities was stored onsite, covered with visqueen, and sampled and profiled for disposal On September 30, 1999, Manley transported approximately 159 tons of soil Forward, Inc 's Manteca, California landfill 241-1399 4