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Di Salvo Trucking Facility-GIWP <br /> i �.. i <br /> September 27,1994 <br /> Page-3- <br /> Trucking site to be 16 feet to 20 feet below the ground s rface. Proposed Eydropunch and monitor <br /> well locations are shown in Figure 2, Appendix A. <br /> 3.1 Hydropunch Sample E <br /> Prior to beginningfield"work,drilling perm w 1!be obtained from-.the SJCEHD A tailgate <br /> safety meeting will be held and a site-specific health and safety plan will be discussed with, and <br /> presented to, all crew members for their signature prior W commencement of work. A copy of the <br /> health and safety plan is contained in Appendix B. <br /> The Hydropunch borehole willbe drilled by a California licensed driller under the supervision <br /> of a Condor geologist. The baring will be drilled using -inch O.D., continuous-flight, hollow-stem <br /> augers. The augers will be steam-cleaned prior to use. The steam-cleaning effluent will lie collected <br /> a. in 55-gallon drums, sealed, labeled, and left on site. The boring will be drilled to a total depth of <br /> approximately 20 feet below ground surface.'The--mate_alfro6mathe..ground surface to a depth of <br /> _. �- <br /> approximately S;feet below the.ground surface.consist of_clean f 11" Therefore, soil samples will not <br /> be retained for laboratory analyses from the upper 15 fed in the Hydropunch borehole. Soil cuttings] <br /> ' _ter _,.-- ..�... <br /> o__mthe--_ -grou�-.rnd,surface-to.a-depth..of-l5;feet.below the. round.surface wtll be spread an site.IX-oil' <br /> salnple_will-be collected-for laboratoryjanalyses from=tl capillary=fringeif--the capillary-fringe-occurs <br /> at'a_depth-oft-66-fee-t-be-l-ow.th'-e ground_,surface ar.greate . QThe soil utfings f.ib 'approxi7mifely <br /> %&et--to the bottom of the boring may cor_tam petroleum-]ydTocarbons"and wili-be�placed"bri and. <br /> covered with—plastic sheeting and'16ft:on.site: Disposal f hazardous materials, if any, will be the <br /> responsibility of Di Salvo Trucking. <br /> A Hydropunch sam lin tool will be used to col ect the groundwater sample from the boring. <br /> Analystsof thewaesamples.willb .peromed,bya Cliornia.ceifed.,lbortorylowing USS <br /> - o <br /> - EPA __ <br /> id Califonia�a-pproved: nethads.under-strict..quality-assurance measures: 4.Following--collection <br /> f the.Hydropunch-groundwater-sample,� r ���.�.. _ � <br /> o , a,split-spoon s pl.er will,bg dr;ven,below,thhe-Hydropunch <br /> foal to collect a soil Sam le for eolo ic. logging and in7ize anaF,rsis. The grain size analysis will <br /> P g. . _g gg g � Y <br /> be used to develop construction specifications in the event monitor wells are installed. When, <br /> _ _7 <br /> } completed theme Hydropunchboring—will-tetremie-groute 'with a c--ment slurry containing_5% <br /> `e`^ bentonite by weight <br /> i <br /> CONDOR <br />