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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%SC Clayey sand continued <br />2"-dia Sch. 80 PVC + <br />SM ::::Silty sand, fine to medium grained, hightly cemented - hard <br />::::pan, dark grayish brown (10YR 4/2) <br />::::Grout: 95% Portland cement / <br />:::: <br />:::: <br />:::: <br />:::: <br />SC Clayey sand, very fine to fine grained, lightly cemented, dry, <br />dark brown (10YR 3/3) <br />SW Sand, medium to coarse grained, loose, lightly cemented, <br />dry, brown (10YR 4/3) <br />CL Clay, medium plasticity, damp, <br />reddish brown (5YR 5/3) <br />ML Silt, dense, dry, with calcium deposits, <br />dark brown (10YR 3/3) <br />ML Clayey silt, dense, dry, <br />very dark grayish brown (10YR 3/2) <br />87 ft - Becoming loose and lightly cemented, with very fine <br /> to fine sand <br />89.0 <br />90.0 <br />87.0 <br />88.0 <br />85.0 <br />86.0 <br />83.0 <br />84.0 <br />81.0 <br />82.0 <br />79.0 <br />80.0 <br />77.0 <br />78.0 <br />75.0 <br />76.0 <br />73.0 <br />74.0 <br />71.0 <br />72.0 <br />69.0 <br />70.0 <br />67.0 <br />68.0 <br />65.0 <br />66.0 <br />63.0 5% Bentonite <br />64.0 <br />60.0 <br />10"-dia boring <br />61.0 1" dia. Sch. 80 PVC <br />62.0 <br />Page 3 of 7