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MONITORING WELL LOG <br /> PROJECT NAME Former R€NO Service Station LOG OF WELL MW-5 <br /> SITE ADDRESS 1001 E Yosemite Avenue BOREHOLE DIAM (in) 8 <br /> ' Manteca California WELL DIAM in 2 <br /> DATE STARTED October 23,2002 DRILLER/COMPANY Eddie Mitchell <br /> DATE COMPLETED October 23 2002 Mitchell Drilling C-57#672617) <br /> ' DRILLING METHOD Hollow-stem Auger GEOLOGISTIENGINEER Joseph Ramage R G #5856 <br /> 5 Ilt-s oon Sample Ramage Environmental <br /> J <br /> ¢1 m o N <br /> CL <br /> 1 <br /> Wr LL to m <br /> F=- D iO � t1 m [n o H <br /> CL n g UCL <br /> E <br /> LU <br /> v, � a 0) z D DESCRIPTION p <br /> 0 Bareround surface Hand du first 5-feet 0 <br /> 9 9 <br /> ' 5 6 00 SP SAND Poorly-graded fine sand some silt, light brown, 5 <br /> 7 dry, loose no petroleum odor <br /> 10 24 00 (grades light tan,medium dense) 10 <br /> 25 <br /> ' 15 36 00 ML SILT Light beige dry hard, no petroleum odor 15 <br /> as <br /> t 20 '$ 0 0 MW5-20 (g ylight brownmoist 20 <br /> 32 (grades some clay, ,g ) <br /> 41 <br /> ' Static groundwater at 20 5 feet bgs on 10/23/02 <br /> ' 25 26 00 SP SAND Poorly-graded fine sand,medium brown wet 25 <br /> 47 dense, no petroleum odor <br /> 30 42 00 MW5-30 ML CLAYEY SILT Medium beige,very moist, hard 30 <br /> 50ra no petroleum odor <br /> Terminated boring at 30 ft Installed 2 in diameter pvc monitoring well <br /> 35 Well Screen(0 020-in)from 15 to 30 ft Filter pack of#3 Sand from 13 to 30 ft 35 <br /> . Surged 10 min and purged 5 gals Moderate recharge <br /> Hydrated bentonite from 11 to 13 ft Neat cement from surface to 11 ft <br /> ' Completed well with water-tight cap and 8-in street box <br /> 40 40 <br /> Page 1 of 1 <br />