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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/ML Clayey sand/clayey silt continued <br />183-187 ft - Very dense (bedrock like), damp <br />SW Sand, medium to coarse grained, loose, wet, <br />dark brown <br />2"-dia Sch. 80 PVC + <br />1" dia. Sch. 80 PVC screen <br />0.020" slot size <br />Well caps <br />~6" sand below caps Total Depth = 197 ft Drilling finished on 3/13/18 <br />207.0 <br />208.0 <br />209.0 <br />210.0 <br />Well is a multiple completion well with two casings; a 1" <br />diameter monitoring port and a 2" diameter well installed <br />with a dedicated pump. <br />Annular Seal Cement Grout w/5% bentonite 3.5-159' <br />Seal Bentonite Chips 159-163' <br />Filter Pack #2/12 Sand 163-197' <br />Screened Intervals <br /> 1" Sch 80 0.020" slot PVC Screen 176.5-196.5' <br /> 2" Sch 80 0.020" slot PVC Screen 174-194' <br />Sump Blank 2" PVC Casing 194-196.5' <br />Wellhead Construction <br />8"x8" square steel stovepipe, 3' stickup. <br />5' square concrete around stovepipe. <br />Well box equipped with lockable cover. <br />2 Bollards, 4' high each. <br />198.0 <br />199.0 <br />200.0 <br />201.0 <br />202.0 <br />203.0 <br />204.0 <br />205.0 <br />206.0 <br />sump195.0 <br />196.0 <br />197.0 <br />2"-dia Sch. 80 PVC sediment <br />190.0 <br />191.0 <br />192.0 <br />193.0 <br />194.0 <br />186.0 <br />187.0 <br />188.0 <br />189.0 <br />181.0 <br />182.0 <br />183.0 <br />184.0 <br />185.0 <br />180.0 <br />Page 7 of 7