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' PROJECT SAN JOAOUIN COUNTY MOTORPOOL FACILITY PROJECT NUMBER EM--2200 <br /> LOGGED BY SCOTT EK START DATE 3/19/99 <br />' g&ECKED BY RICHARD L COFFMAN. PhD. R G COMPLETION DATE 3/19/99 <br /> UND SURFACE ELEVATION (FT—MSL) N/A DRILLING COMPANY WEST HAZMAT DRILLING, INC <br />' DRILLING EQUIPMENT MOBILE B-51 <br /> BORING DEPTH (FT) 6000 WELL DEPTH (FT) 6000 INITIAL WATER DEPTH (FT)- —4.0-45 <br />' WELL MATERIALS SCHEDULE 40, 4—INCH PVC, (0 020 SLOT) WELL SCREEN INTERVAL (FT) 35-60 <br /> WELL CASING ELEVATION (FT—MSL) N/A OVM/OVA MINI RAE PID <br />' BACKFILL MATERIAL #3 SAND, HYDRATED MEDIUM BENTONITE CHIPS, TYPE 1-11 CEMENT, TRAFFIC—RATED WELL BOX <br /> .. UTHOLOGY SAMPLE WELL CONSTRUCTION <br /> r � <br /> a r <br /> � o a Of <br /> DESCRIPTION o m <br /> ID <br /> U m o W z <br /> 00 <br /> 6' Base Material <br />' SANDY CLAY fine grained sand, black, moist <br /> (CL) <br /> 5 0 0 100 8 22 B2— <br />' 16 5 <br /> SILTY SAND fine grained sand, light brown, 20 <br /> fracture tilled with white material, moist, <br /> medium dense (SM) <br />' 10 color change to olive—gray 13 0 0 100 844 B 0 <br /> 28 10 <br /> 33 <br /> 1 15 density increases to very dense23 00 100 9 00 B2— <br /> 25 15 <br /> 36 <br /> 1 <br /> 1 20 15 153 2 100 9 31 82— <br /> color change to brown and gray mottled 22 20 <br />' 31 <br /> 25 <br /> BORING DESIGNATION PAGE NUMBER FIGURE NUMBER <br />' g_2 1 <br /> �wsanmrTK MMIh�]AE11T,wG <br />