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MONITORING WELL COMPLETION DETAIL (GW-9) <br />BOREHOLE LOCATION: Approximately 39.43836 N, 108.77830W DRILLER: Sault McGaelcen <br />SURFACE ELEVATION: DRILL RIG Simco 2800 HS <br />NOTES: Monitoring wel! located approximately 850 feet southwest of gob pile DRILL STEM.' 4" Sofid~tem continuous flight auger <br />SAMPLER: 2' LD. CaCdomia split spoon <br />_ ~ SUBSURFACE DESCRIPTION Fl SST RESULTS RY <br />E' CG ~ w H <br />3 s <br /> K '_ moist moderately yellowish brown, sr7ty Erne SAND, <br /> . ~ .; ~ truce gravel, occasional cobble <br />5 : ~'. 2 <br /> ,~ cobble ~' <br /> <br />10 <br />-~. <br /> h <br />t <br />15 <br /> :. <br />' .; - <br />20 . a <br />~' <br />':. <br /> ®22.0' mcxease in moisfur~ moist to wed moderate <br /> ~' ~ • yellowish brown dayey SILT, some Bond <br />25 <br /> • - groundwater ®23.5' on 9-27-07 at & 45am <br /> 0 <br /> <br /> .a ~ <br />30 _ <br /> _ Z o <br /> - ~ o <br /> ' , <br />35 - ~ o <br /> •L•• <br /> <br />_ <br />• `, `~` <br />N <br /> '• : .~ : ~ a <br />40 • <br /> <, w <br />45 ; r ~~ <br /> _ ®~ <br />~~~~ <br /> .- •, ~ <br />end of borehole ®t55.0' <br />~Q09 <br />50 y ~ eJ <br />2-inch PVO standpipe pfezometer installed to 53.5' , • <br /> slotted (0.02) interw/ 13.5 fo 53.5' ~, >~ <br /> solid interval 0 to 13.5 feet <br /> f0/20 si7ico sand interwl f0 to 53.5' <br /> _ bentonite chips 2 to 8' <br />55 native sorT 0 to 2' <br />~I~ Z <br /> <br />BOREHOLE lN~sncAnoN eRe McCLANE CANYON M/NE GEOTECH <br />LOG <br /> 0RAF71NG CH <br />6 <br />f7EZD DATE 9 26 07 GOB PILE Gn1, swaura/ end Geotechnip/ Engineers, Inc. <br />222soumwarlcAven~ <br />OF 6 <br />,as No. 07-334-GEO GARf7ELD COUNTY, COLORADO Masse, Cobrado 81401 <br />Phase (970) 249-a92a Fax (970) 249-0945 <br />FIGURE 4.1-6a <br />