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MONITORING WELL LOG <br /> PROJECT NAME Former Agricultural Commissioner's Office LOG OF WELL MW-3 <br /> ' SITE ADDRESS 392 South Moffat Blvd TOTAL DEPTH (ft) 27 <br /> Manteca,Calrfornia WELL DIAM (in) 2 <br /> DATE STARTED December 12 2000 DRILLERICOMPANY Amador Arroyo <br /> DATE COMPLETED December 12,2000 V&W Drilling(C-57#720904) <br /> ' DRILLING METHOD Hollow-stem Auger GEOLOGIST/ENGINEER Joseph Ramage R G #5856 <br /> Split-spoon Sam ler Ramage Environmental <br /> O <br /> ' 0) M g <br /> E _3 LI to in <br /> CL M cq o = <br /> ' a. E U v H <br /> a <br /> 0 in m a co z � DESCRIPTION p <br /> WELL COMPLETION Expan Cap, lock, 8-in street box <br /> ' 0 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 00 ML SANDY SILT Fine sandy silt tan stiff dry 5 <br /> 6 no petroleum odor 6 <br /> 7 7 <br /> 8 8 <br /> 9 9 <br /> 10 <br /> ,0 00 SP SAND Poorly-graded medium sand light beige loose dry 10 <br /> 11 no petroleum oder 11 <br /> 12 12 <br /> 13 13 <br /> 14 14 <br /> 15 e 00 CL SILTY CLAY Gray-brown very stiff dry 15 <br /> ' 16 slight petroleum odor 16 <br /> 17 17 <br /> 18 Static groundwater at 18 53 feet on 12/20/00 18 <br /> 19 19 <br /> ' 20 a 00 ML Encountered groundwater at 20 6 feet on 12112/00 20 <br /> 21 21 <br /> 22 SILT Gray stiff wet slight petroleum odor 22 <br /> ' 23 23 <br /> i <br /> 24 24 <br /> 25 e 00 CL SILTY CLAY Gray medium stiff wet 25 <br /> ' 26 slight petroleum odor 26 <br /> 27 27 <br /> 28 28 <br /> 29 Terminated soil boring at 27 feet Installed 2 in diam PVC monitoring well 29 <br /> 30 (0 020-inch slot screen from 12 to 27 feet) 30 <br /> 31 Placed filter pack of#3 Sand from 10 to 27 feet 31 <br /> 32 Surged approx 5 minutes purged approx 5 gallons 32 <br /> 33 Placed seal of hydrated bentonite chips from 9 to 10 feet 33 <br /> 34 Surface seal of neat cement from surface to 9 feet 34 <br /> 35 35 <br /> ' 36 36 <br /> 37 37 <br /> 38 38 <br /> 39 39 <br /> 40 Page 1 of 1 40 <br />