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BORING NO. G-11 <br />COORDINATES: N.2219507.66 <br />E.6388220.57 <br />PROJECT:N.County Landfill PROJECT NUMBER: 631230195 FIELD GEOLOGIST: Michael Yurovsky TOC ELEV: ft 114.88 <br />LOCATION:South boundary DRILLING METHOD:CHECKED BY: Julian Isham GS ELEV: ft 112.0 <br />DRILL CO.:Cascade Drilling BORING DIAMETER:APPROVED BY: Julian Isham <br />DRILLER:David Gay TOTAL DEPTH: 195.5 Feet <br />SCREEN:Dia.: 2" + 1" piezometer Length: 20 ft Type/Size 0.020" slot PVC Sand Pack: #2/12 <br />CASING:Dia.: 2" + 1" piezometer Length: 176 ft Type PVC, Sch. 80 <br />Description Comments(feet) <br />Sonic <br />10"DATE BEGAN: 2/22/2018 <br />DATE FINISHED: 3/5/2018 <br />Depth <br />Well Completion <br />Sample <br />Collected <br />Recovery <br />% <br />USCS <br />Symbol Profile <br />100%SW Gravely sand continued <br />SW Sand, coarse, loose, wet, dark brown <br />SW Sand, medium to coarse grained, wet, with cemented <br />inclusions and <1% of round river gravel to 0.5", <br />dark brown <br />188 ft - Becoming mostly coarse sand with rare cemented <br />inclusions <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 = 195.5 ft Drilling finished on 2/28/18 <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 3.5-164.5' <br />Seal Bentonite Chips 164.5-167.6' <br />Filter Pack #2/12 Sand 167.6-195.5' <br />Screened Intervals <br /> 1" Sch 80 0.020" slot PVC Screen 175-195' <br /> 2" Sch 80 0.020" slot PVC Screen 172.6-192.6' <br />Sump Blank 2" PVC Casing 192.6-195.0' <br />Wellhead Construction <br />8"x8" square steel stovepipe, 3' stickup. <br />6' square concrete around stovepipe. <br />Well box equipped with lockable cover. <br />2 Bollards, 4' high each. <br />208.0 <br />209.0 <br />206.0 <br />207.0 <br />204.0 <br />205.0 <br />198.0 <br />199.0 <br />200.0 <br />201.0 <br />202.0 <br />203.0 <br />196.0 <br />197.0 <br />194.0 <br />195.0 <br />192.0 <br />193.0 2"-dia Sch. 80 PVC sediment <br />sump <br />190.0 <br />191.0 <br />188.0 <br />189.0 <br />186.0 <br />187.0 <br />184.0 <br />185.0 <br />181.0 <br />182.0 <br />183.0 <br />180.0 <br />Page 7 of 7