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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 Clayey silt continued; 90 ft - Becoming dense and damp <br />2"-dia Sch. 80 PVC + <br />Grout: 95% Portland cement / <br />94 ft - Becoming dry and lightly cemented, dark grayish <br /> brown (10YR 4/2) <br />97 ft - Becoming moderately dense <br />97 ft - Becoming moderately cemented <br />SM ::::Silty sand, loose, lightly cemented, dry, <br />::::dark yellowish brown (10YR 3/6) <br />:::: <br />:::: <br />:::: <br />:::: <br />:::: <br />SC Clayey sand, very fine to fine grained, moderately dense, <br />low to medium plasticity, dry, <br />dark yellowish brown (10YR 3/4) <br />SW Sand, fine to medium grained, loose, dry, <br />dark brown (7.5YR 3/3) <br />SC Clayey sand, very fine to fine grained, with moderately <br />cemented inclusions, dark yellowish brown (10YR 3/4) <br />119.5 ft -Cemented inclusions discontinued <br />100.0 <br />101.0 <br />120.0 <br />116.0 <br />117.0 <br />118.0 <br />119.0 <br />112.0 <br />113.0 <br />114.0 <br />115.0 <br />108.0 <br />109.0 <br />110.0 <br />111.0 <br />104.0 <br />105.0 <br />106.0 <br />107.0 <br />102.0 <br />103.0 <br />98.0 <br />99.0 <br />96.0 <br />97.0 <br />94.0 <br />95.0 <br />91.0 1" dia. Sch. 80 PVC <br />92.0 <br />93.0 5% Bentonite <br />90.0 <br />10"-dia boring <br />Page 4 of 7