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' PROJECT SAN JOAQUIN COUNTY MOTORPOOL FACILITY PROJECT NUMBER EM-2200 <br /> LOGGED BY SCOTT EK _ START DATE 3/18/99 <br /> CKED BY RICHARD L COFFMAN. PhD, R G _ COMPLETION DATE 3/19/99 <br /> UND SURFACE ELEVATION (FT—MSL) N/A _ DRIWNG COMPANY WEST HAZMAT DRILLING, INC <br /> ' DRILLING EQUIPMENT MOBILE B-51 _ <br /> BORING DEPTH (FT) 6000 WELL DEPTH (FT) 6000 INITIAL WATER DEPTH (FT)- —40-45 <br /> ' WELL MATERIALS SCHEDULE 40, 4—INCH PVC, (O 020 SLOT) WELL SCREEN INTERVAL (FT) 35-60 <br /> WELL CASING ELEVATION (FT—MSL)- N/A _ OVM/OVA MINI RAE PID <br /> ' BACK LL MATERIAL g3 SAND, HYDRATED MEDIUM BENTONITE CHIPS. TYPE 1—II CEMENT, TRAFFIC—RATED WELL BOX <br /> UTHOLOGY SAMPLE WELL CONSTRUCTION <br /> i <br /> W U U > <br /> DESCRIPTION <br /> o w <br /> � m O K F 2 <br /> 00 <br /> 6" Base Material <br /> ' SANDY CLAY fine grained sand, block, moist <br /> (CL) <br /> ' S 00 100 822 9 <br /> 5 <br /> ' 16 <br /> SILTY SAND floe grained sand, light brawn, 20 20 <br /> fracture filled with white material, moist, <br /> medium dense (SM) <br /> ' 10 color change to olive—gray 13 00 tOtl B 44 B2- <br /> 10 <br /> 28 <br /> 33 <br /> ' 15 density mceoses to very dense 2,1 00 100 9 00 132— <br /> 1 <br /> 25 5 <br /> 36 <br /> 153 2 100 9 31 "2— <br /> 20 color change to brown and gray mottled 22 20 <br /> ' 31 <br /> 25 <br /> ' BORING DESIGNATION PAGE NUMBER FIGURE NUMBER <br /> B-2 <br /> Q!W Wee]!TK Y.W�H]Ia1T.MG <br />