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Ma <br /> C <br /> E <br /> a <br /> J <br /> wriss ASSOCIA 71�S K4 <br /> ,Julian f7unnz q <br /> 13 November 1981 <br /> Task( 3 - Preparing a final report. <br /> These Casks are described in detail below and a cost estimate s presented <br /> ratedcontl <br /> paact <br /> ge � PI will perform all earth-moving activities under a separate <br /> to Safeway Stores. <br /> TASK 1 PFA GRAVEL, EXCAVATION SPREADING, SAMPLING AND ANALYSIS <br /> the winter. P1 will.. spread an <br /> To hold the backfill material during of olifitt film sixteen <br /> impermeable liner of black 12-layer, "-extracted p Y <br /> un awed a <br /> thousandths of an inch rea on the north side of the <br /> thick P ick onto an <br /> he <br /> ll bsed to <br /> Safeway facility. A continuous 100 x 100 ft fill oallm l <br /> prevent Ica-ay, terialwillth nebeuremoved <br /> ge through seams. The back <br /> o the cancer of the liner' <br /> from the tank excavation and piled ont <br /> sheet of the polyolifin film will be secured over the stockpiled <br /> A second & In <br /> P gravel to prevent the infiltration of rain water during the winter. <br /> eolifin <br /> 1988, when the rainy season ends. PI wii.1 remove the p y <br /> April or May ea ravel <br /> film cover and spread it adjacent Co the e:;isting s�ocloimately b fiches. <br /> read onto both liners to a final dent' of PP <br /> wt <br /> will be spread sandbags will be placed under the liner edges <br /> potential rainwater, g erimeter. <br /> To contain p around the p <br /> a continuous l/2 to 1 foot high berm around <br /> to create of the berm every 10 to 20 ft <br /> Additional sandbags will be placed on top Any water <br /> the perimeter of the liner to hold the edges of the liner do :r. 000-gallon <br /> closure will be pumped by PI to a <br /> that. accumulates in the en10, <br /> Baler tank temporarily <br /> stored on site an'i ',.gill be treated in an activated <br /> carbon filter before it is discharged to the storm sewer. <br /> eight composite samples of the aerating Pe' <br /> end of the summer, g <br /> GG FID for TRIC to determine w <br /> gravel will be hethce' <br /> At the collected and analyzed by , if no detectable hydrocaVban, <br /> detectable hydrocarbons remain in the materia . <br /> Pel t3�c1 <br /> are:-- fnund... .in_..._the 1'c-' fravtl, the berm will be dismantled tnd the ¢ , t <br /> will be left on the liners permtnentl� <br /> if-hydrocarbon:.are. -detected their t t`' --..._. <br /> aeratacl in Che enclosures until sill)Sequent sem`{pliwt�nteand <br /> i <br /> P Eta gravel will be approach - <br /> anal�, shows no detectable hy(Irocarb01ts or the pP <br />