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, <br /> ions on <br /> n area <br /> Figure 2-1 shows these n ounddn i�4 terdepth Land flowadirection at tole <br /> purposes of estimating ' <br /> ly <br /> site. Flow direction appears to have both a northerly and rin oasts• <br /> component. Based on thilr�n)O') Well ifsI waites sproposed r the 3 saslanvUP- <br /> proposed a-. shown in Figure ,,, s proposed to <br /> gradient well, while sites for Wells .r L and 3 were pthe leaking <br /> intercept any groundwater that repay have been al c-,,ed byfeet <br /> tanks. Groundwater surface.i �t'£hestimIticip al ted rnu imun�3 depth <br /> loo the <br /> bells the gi<< <br /> wells was 50 feet based on the estimated depth to groundwater. <br /> TI.I3 RIIv(7INSTAT.T�ATECIN <br /> ls <br /> e shown <br /> The actual locations of tl7e o` borings#1 {Sr�Vi1) wale s reloclatedtfroIn the <br /> in Figure 2-3. The boli . for <br /> proposed location b ioi used location near the SouthernuPacific <br /> concentrated at the proposed <br /> railroad tracks to permit drilling safely. The boring forant,concrete <br /> (SFW-3) was also relocated onto Valley Welding Supp y s for <br /> slab in order to allow ample ni distance tsThese` een all variances vells from t e <br /> groundwater gradieni, mea d approved by Harlin Knoll of the <br /> workplan were discussed with an <br /> EHD during one a£ 7ll'• KrEoll's visits to the site during drilling <br /> Operations• ck <br /> ed drill rig <br /> t`_11 horings wed m a�aeisal using <br /> oundw Groundwater wasmobile uencou encountered between <br /> using hollows g which required the borings <br /> 55 and 60 feet below the ground surface,the <br /> ted maxinVIm 50 feet <br /> r The boringsrwere ound surface advance <br /> because groundwater s not encountered <br /> bolos the g <br /> ,iZthin 50 feet of the ground surface. Groundwater was encounters <br /> urface and borings were <br /> approx*mately 5 ma tlyof 0 feet inthe oorderund sto ensure sufficient water <br /> advanced to app <br /> for monitoring purposes. The soils from the borings were gen <br /> according tc. the Unified Soil Classification System and appear <br /> Appendix G. rain s" , <br /> drilling <br /> actual oil <br /> o vsamplesa and on r cchanges oobtained <br /> ere iridrilling <br /> rom drill tuft g , <br /> characteristics. <br /> ow <br /> Soil samples were taken at 5 foot i te les were to r enwith a Califong at 5 feet rnia <br /> the Found surface. The soil same <br /> modified split-spooinedr nler theftted field fortevidence of h brass tube <br /> ontamination. <br /> samples were exam <br /> There was no evidence o confirmation soil antMIvaa taken from aeach borehole <br /> borings. One co <br /> 2 <br />