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411§Z _ <br /> i� <br /> 1 - <br /> f <br /> C� <br /> the excavation was taken to top of ground <br /> As stated earlier, depth 14 feet below the surface) <br /> water. The native soil to that dep <br /> is of a fine sandy, <br /> clayey silt. There were no visible <br /> preferential pathways observed in the excavations or samples <br /> obtained while baring the monitor wells. <br /> Calif. NW/4 151 <br /> 3, Figure 2 U.S.G.S topographic map (Tracy, site. <br /> ) <br /> shows n <br /> Quadrangle, 195 o surface waterbodies near the <br /> o£ subsurface utility conduits in the <br /> Figure 3A shows the rout�.7 <br /> vicinity of the site. <br /> SAMPLING AND ANALYSIS <br /> 1, Were additional samples (other than the minimum <br /> required) taken where obviously contaminated soil was present? <br /> eeneth a <br /> Yes. All excavated soil was <br /> stfield sccalibdrated with avisually n5ow�parts <br /> photoicnizing detector (PID} etroleum <br /> per million gasoline vapor standard. No obvious pfrom <br /> staining was evident but ° °a�kfialPID <br /> materialnandwere <br /> fromeVthentground <br /> the excavated tank field les of <br /> water oundcovere d at the base of the tank,found in the tank excavation aand�sidewallmsamples <br /> the gr water <br /> of the tank excavation were obtaine <br /> Initial sampling of the waste oil excavation 1Thisaarea ted soil <br /> I hydrocarbons. <br /> contaminated with motor oil range <br /> overexcavated and samples <br /> wer °all�samples ned mwere h belowaldetection <br /> base of the ovarex <br /> limits. to <br /> 2. gid sampling and analytical protocols cOlQorAug ust <br /> standards described in LUFT and the T-RBSRFPE&TOUTS, <br /> 1990? <br /> YES. <br /> 3, Dere the appropriate laboratory analyses used? <br /> YES• results <br /> 4, were the laboratory analysis and QA/QC <br /> submitted? <br /> YES. <br /> 5, In cases of high water table, a) were samples taken from <br /> water present in the excavati <br /> the sidewalls and. b) was <br /> on pit? <br /> !' page3 <br /> i <br />