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Well is a multiple completion well with two casings; a 1" diameter <br />monitoring port and a 2.5" diameter well installed with a dedicated <br />pump. <br />Annular Seal Neat Cement Grout 0-183' <br />Plug Hydrated Bent. Chips 183-193' <br />Filter Pack #2/12 Sand 193-218' <br />Screened Intervals <br /> 1" Sch 40 0.020 slot PVC Screen 196-216' <br /> 2.5" Sch 80 0.020 slot PVC Screen 196-216' <br /> Sump Blank PVC Casing 216-218' <br />Wellhead Construction <br />12" Dia. stovepipe, Approx 3' stickup. <br />24" Dia concrete collar around stovepipe. <br />Well box equipped with lockable cover. <br />Bollards.Depth(ft.)(Color, Texture, Structure)WellCompletionGeologic Descriptions are Based on the USCS. <br />Description <br />USCS Class.RecoveryBlow CountPID(ppm)GraphicLogSample ID% Recovery222 <br />224 <br />226 <br />228 <br />230 <br />232 <br />234 <br />236 <br />238 <br />240 <br />242 <br />244 <br />246 <br />248 <br />250 <br />252 <br />254 <br />256 <br />258 <br />260 <br />149270 <br />Drilling Log <br />North County Recycling Center & Sanitary LandfillOwner <br />Proj. No.San Joaquin County, California <br />Project <br />Page: 7 of 7 <br />Monitoring Well <br />San Joaquin County <br />G-7 <br />Location <br />CBI DRILLING LOG Rev: 1/21/15 NORTH_COUNTY_LANDFILL.GPJ CBI.GDT 1/13/17