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MONITORING WELL LOG <br /> PROJECT NAME Former Stefano's Gas Station LOG OF WELL MW-6 <br /> SITE ADDRESS 1419 East Charter Way TOTAL DEPTH (ft) 50 <br /> Stockton, California WELL DIAM jin 2 <br /> DATE STARTED September 28, 2001 DRILLER/COMPANY Amador Arroyo <br /> ' DATE COMPLETED September 28, 2001 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 /> ` " a _ W J l�L <br /> ;- £ LUh- a m Q [b G F- <br /> LU <br /> U — <br /> W <br /> o IL <br /> o ,n m aca z ai DESCRIPTION 0 <br /> ' 0 WELL CONSTRUCTION 2-inch pvc screen(0 020)from 30-50' 0 <br /> #2112 sand from 28-50' Surge and purge <br /> Hydrated bentonite chips from 26-28' <br /> 20 1 cement bentonite from surface to 26' <br /> Expansion cap, Dolphin lock,8-inch utility box <br /> 5 sore 0 0 ML SILT Light orange-brown dry,hard, no petroleum odor 5 <br /> ,o <br /> 10 „ 0 0 (grades light beige,very stiffl 10 <br /> 15 15 0 0 ML CLAYEY SILT Medium beige-brown,dry,stiff,no petroleum odor 15 <br /> 20 i 00 <br /> 20 <br />' 25 a 00 CL SILTY CLAY Medium beige-brown dry,stiff no petroleum odor 25 <br /> 30 e 00 MW6-30 (grades light beige-gray,medium stiff) 30 <br /> 35 „ 00 ML CLAYEY SILT Medium orange-brown,dry,stiff no petroleum odor 35 <br /> Static groundwater at 40 25 feet bgs on 9/28/01 <br /> 40 „ 00 MW6-40 (grades medium beige-brown) 40 <br /> 45 Z, 0 0 (grades light orange-brown moist,very stiff) 43 <br /> Encountered saturated soil at 46 0 feet below ground surface <br />' 50 ' 0 0MWfi-50 ML SILT Medium eige- rown,wet stiff no petro eum odor 50 <br /> Page 1 of 1 <br />