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MONITORING WELL LOG <br /> . PROJECT NAME Former RINO Service Station LOG OF WELL MW-3 <br /> SITE ADDRESS 1001 E Yosemite Avenue TOTAL DEPTH (ft) 31 <br /> Manteca, California WELL DIAM In 2 <br /> DATE STARTED September 18,2000 DRILLERICOMPANY Robert Vickery <br /> DATE COMPLETED September 18,2000 V&W Drilling C-57#720904 <br /> DRILLING METHOD Hollow-stem Auger GEOLOGISVENGINEER Joseph Ramage, R G #5856 <br /> Straight Drill Ramage Environmental <br /> J <br /> O o <br /> N <br /> LLv <br /> y } <br /> YE W <br /> --� <br /> n d m to 22 U U <br /> U.1 E (n a N z DESCRIPTION w o <br /> ai <br /> WELL COMPLETION Expan Cap, lock,8-in 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 SM SILTY SAND Silty fine sand medium brown,dry, 10 <br /> 11 no petroleum odor 11 <br /> 12 12 <br /> 13 13 <br /> 14 14 <br /> 15 15 <br /> 16 i6 <br /> 17 17 <br /> 18 18 <br /> 19 19 <br /> Y0 Static groundwater at 216 feet 20 <br /> 21 21 <br /> 22 22 <br /> 23 23 <br /> 24 24 <br /> 25 SP SAND Poorly-graded fine sand,medium brown, 25 <br /> 26 wet,no petroleum odor 26 <br /> 27 27 <br /> 28 28 <br /> 29 29 <br /> 30 30 <br /> 31 31 <br /> 32 32 <br /> 33 Terminated sod boring at 31 feet Installed 2-in dram PVC monitoring well 33 <br /> 34 (0 020-inch slot screen from 16 to 31 feel) 34 <br /> 35 Placed filter pack of 93 Sand from 14 to 31 feet 35 <br /> 36 Surged approx 10 minutes purged approx 5 gallons 36 <br /> 37 Placed seal of hydrated bentonite chips from 12 to 14 feet 37 <br /> 38 Surface seal of neat cement from surface to 12 feet 38 <br /> 39 39 <br /> 40 40 <br /> Page 1 of 1 <br />