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MONITORING WELL LOG <br /> PROJECT NAME Former RINO Service Station LOG OF WELL MW-2 <br /> SITE ADDRESS 1001 E Yosemite Avenue TOTAL DEPTH(ft) 23 <br /> Manteca,Califomla WELL DIAM in 2 <br /> DATE STARTER September 18, 2000 DRILLER/COMPANY RobertVickery <br /> DATE COMPLETED September 18,2000 V&W Drilling(C-57#720904 <br /> DRILLING METHOD Hollow-stem Auger GEOLOGIST/ENGINEER Joseph Ramage,R G #5856 <br /> Straight Drill Ramage Environmental <br /> J <br /> N co 4 •• <br /> (D <br /> U_ <br /> LULU (j of <br /> Ia a_ m fly o H <br /> E n U <br /> < W it <br /> LU <br /> u, m 0 z DESCRIPTION o <br /> WELL COMPLETION Expan Cap, lock,8-m street box <br /> 0 NA NA NA NA Asphalt surface(4-inches thick) Hand dug first 5-feet 0 <br /> 1 1 <br /> 2 2 <br /> 3 3 <br /> 4 4 <br /> 5 ML SILT Some fine sand,medium brown,dry, 5 <br /> 6 no petroleum odor 6 <br /> 7 7 <br /> 8 8 <br /> 9 9 <br /> 10 10 <br /> 11 11 <br /> 12 12 <br /> 13 13 <br /> 14 14 <br /> 15 ML SANDY SILT Fine sandy silt,medium brown, 15 <br /> 16 dry, no petroleum odor 16 <br /> 17 17 <br /> 18 <br /> 18 <br /> 19 ML CLAYEY SILT Medium beige-brown very moist, 19 <br /> 20 no petroleum odor 20 <br /> 21 21 <br /> 22 Static groundwater at 21 8 feet 22 <br /> 23 23 <br /> 24 24 <br /> 25 Terminated sod bonng at 23 feet Installed 2-in dram PVC monitoring well 25 <br /> 26 (0 020-inch slot screen from 13 to 23 feet) 26 <br /> 27 Placed filter pack of#3 Sand from 11 to 23 feet 27 <br /> 28 Surged approx 5 minutes purged approx 2 gallons 28 <br /> 29 Placed seal of hydrated bentonite chips from 9 to 11 feet 29 <br /> 30 Surface seal of neat cement from surface to 9 feet 30 <br /> 31 31 <br /> 32 32 <br /> 34 33 <br /> 34 34 <br /> 35 35 <br /> 36 36 <br /> 37 37 <br /> 38 38 <br /> 39 39 <br /> 40 40 <br /> Page 1 of 1 <br />