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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 />PROJECT: <br />LOCATION: <br />DRILL CO.: <br />DRILLER: <br />SCREEN: <br />CASING: <br />Description Comments <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 />100%ML Silt continued <br />2"-dia Sch. 80 PVC + <br />152-154 ft - clayey silt Grout: 95% Portland cement / <br />ML Clayey silt, moderately cemented, dry, <br />dark grayish brown (10YR 4/2) <br />15% <br />water <br />noticed <br />2"-dia Sch. 80 PVC screen + <br />100%ML Silt with cemented inclusions, wet <br />0.020" slot size <br />#2/12 Sand filter pack <br />SC/ML Clayey sand/clayey silt, fine grained sand, lightly cemented, <br />wet <br />1" dia. Sch. 80 PVC screen <br />2"-dia Sch 80 PVC <br />0.020" slot well screen <br />10"-dia boring <br />174.0 <br />175.0 <br />176.0 <br />177.0 <br />178.0 <br />179.0 <br />180.0 <br />170.0 <br />171.0 <br />172.0 <br />173.0 <br />166.0 <br />167.0 <br />168.0 <br />169.0 <br />#2/12 Sand filter pack <br />162.0 <br />163.0 <br />164.0 <br />165.0 <br />Coded bentonite pellets 1/4" <br />158.0 <br />159.0 <br />160.0 <br />161.0 <br />154.0 <br />155.0 <br />156.0 <br />157.0 <br />1" dia. Sch. 80 PVC <br />5% Bentonite <br />10"-dia boring <br />150.0 <br />151.0 <br />152.0 <br />153.0 <br />Page 6 of 7