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BORING NO. G-5B <br />COORDINATES: N.2222571.24 <br />E.6387374.37 <br />N.County Landfill PROJECT NUMBER: 631230195 FIELD GEOLOGIST: Michael Yurovsky TOC ELEV: ft 114.49 <br />West boundary DRILLING METHOD:CHECKED BY: Julian Isham GS ELEV: ft 108.8 <br />Cascade Drilling BORING DIAMETER:APPROVED BY: Julian Isham <br />David Gay TOTAL DEPTH: 197 Feet <br />Dia.: 2" + 1" piezometer Length: 20 ft Type/Size 0.020" slot PVC Sand Pack: #2/12 <br />Dia.: 2" + 1" piezometer Length: 177 ft Type PVC, Sch. 80 <br />Round steel stove pipe 3' high <br />No core collected; hand augered Concrete pad <br />2"-dia Sch. 80 PVC + <br />1" dia. Sch. 80 PVC <br />Grout: 95% Portland cement / <br />100%CL Clay, medium plasticity, damp,5% Bentonite <br />dark brown (10YR 3/3) <br />CL Sandy clay, fine to medium grained sand, loose, dry, <br />strong brown (7.5YR 5/6) <br />8.5-9 ft - cemented sand <br />SM ::::Silty sand, fine to medium grained, lightly cemented, <br />::::20% silt, grayish brown (10YR 5/2) <br />:::: <br />:::: <br />:::: <br />:::: <br />CL Sandy clay, medium plasticity, damp, <br />dark brown (10YR 3/3) <br />SC Clayey sand, fine to medium grained, with some cemented <br />inclusions, damp, dark brown (10YR 3/3) <br />SW Sand, fine to medium grained, moderately cemented, dry, <br />strong brown (7.5YR 4/6) <br />24 ft - Becoming lightly cemented <br />SW Gravely sand, fine to medium grained, with subrounded <br />gravel up to 1", moderately cemented, dry, brown (10YR 4/3) <br />SW Sand, medium to coarse grained, with cemented inclusions, <br />damp, dark yellowish brown (10YR 4/6) <br />PROJECT: <br />LOCATION: <br />DRILL CO.: <br />DRILLER: <br />SCREEN: <br />CASING: <br />29.0 <br />30.0 <br />27.0 <br />28.0 <br />25.0 <br />26.0 <br />23.0 <br />24.0 <br />21.0 <br />22.0 <br />19.0 <br />20.0 <br />17.0 <br />18.0 <br />15.0 <br />16.0 <br />13.0 <br />14.0 <br />11.0 <br />12.0 <br />9.0 <br />10.0 <br />7.0 <br />8.0 <br />3.0 12"-dia boring <br />4.0 <br />5.0 <br />6.0 12"-diameter casing was <br />installed over the 10"-diameter <br />casing to free 10" drive casing <br />Description Comments <br />Well head above ground <br />2.0 Hand auger to 5' <br />Sonic <br />10"DATE BEGAN: 3/6/2018 <br />DATE FINISHED: 3/20/2018 <br />Well Completion <br />Recovery <br />% <br />USCS <br />Symbol Profile <br />Sample <br />Collected <br />Depth <br />(feet) <br />Page 1 of 7