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MONITORING WELL LOG <br /> PROJECT NAME Former Stefano's Gas Station LOG OF WELL MW-5 <br /> SITE ADDRESS 1419 East Charter Way TOTAL DEPTH (ft) 50 <br /> Stockton, California WELL DIAM in 2 <br /> DATE STARTED September 26, 2001 DRILLER/COMPANY Amador Arroyo <br /> DATE COMPLETED September 26, 2001 V&W Drilling C-57#720904 <br /> DRILLING METHOD Hollow-stem Auger GEOLOGISTIENGINEER Joseph Ramage, R G #5856 <br /> Split-spoon Sam ler Ramage Environmental <br /> ' w 0 <br /> � O d? <br /> 41 <br /> �. WL <br /> I1J J � V <br /> E w <br /> n a w N m ° F- <br /> LU Qr <br /> U � v <br /> M m a uu) z M U) DESCRIPTION d <br /> ' 0 WELL CONSTRUCTION 2-inch pvc screen(0 020)from 30-50' 0 <br /> #2/12 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 s 00 ML CLAYEY SILT Medium orange-brown,dry,medium stiff, 5 <br /> no petroleum odor <br /> 10 5, 00 ML SILT Light beige,dry,medium stiff no petroleum odor 10 <br /> 15 ; 00 ML CLAYEY SILT Medium beige-brown dry,medium stiff, 1 r� <br /> no petroleum odor <br />' 20 ;, 00 (grades stiff) <br /> 20 <br />' <br /> 2500 0 <br /> s (grades medium brown,medium stiff) 25 <br /> 30 ; 00 MW5-30 CL SILTY CLAY Medium gray-beige,dry,soft,no petroleum odor 30 <br /> 35 e 00 ML SILT Medium tan-brown,dry,medium stiff,no petroleum odor 35 <br /> 40 „ 00 MW5-40 ML CLAYEY SILT Medium beige-brown,dry stiff,no petroleum odor 40 <br /> Static groundwater at 41 30 feet bgs on 9/26101 <br /> 45 „ 00 ML SILT Minor clay,medium beige-brown,moist,stiff, 45 <br />' no petroleum odor <br /> Encountered saturated soil at 47 0 feet below ground surface <br />' 50 e 0 0 1 MW5-50 ML I CLAYEY SILT Medium tan-brown,wet,stiff,no petroleum odor 50 <br /> Page 1 of 1 <br />