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PROJECT: SAN JOAOUIN COUNTY MOTORPOOL I ILITY PROJECT NUMBER: EM-►x00 <br /> LOGGED BY: SCOTT EK START DATE: 3/18/99 <br /> CHECKED BY: RICHARD L COFFMAN. Ph.D., R.G. COMPLETION DATE: 3/19/99 <br /> GROUND SURFACE ELEVATION (FT-MSL): N/A DRILLING COMPANY: WEST HAZMAT DRILLING, INC. <br /> DRILLING EQUIPMENT: MOBILE B-51 <br /> BORING DEPTH (FT): 60.00 WELL DEPTH (FT): 60.00 INITIAL WATER DEPTH (FT): -40-45 <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 /> BACKFlLL MATERIAL /3 SAND, HYDRATED MEDIUM BENTONITE CHIPS, TYPE 1-II CEMENT, TRAFFIC-RATED WELL BOX <br /> UTHOLOGY SAMPLE WELL CONSTRUCTION <br /> w � <br /> z a <br /> z ri <br /> r <br /> w U U > of <br /> K <br /> DESCRIPTION <br /> a o U <br /> K a) W <br /> 0 a) O O' F Z <br /> 00 <br /> 6' Base Material <br /> SANDY CLAY: fine grained sand; black; moist <br /> (CL) <br /> OS 5 0.0 100 8:22 B2- <br /> 5 <br /> 6 <br /> SILTY SAND: floe grained sand; light brown; 20 <br /> fracture filled with white material; moist; <br /> medium dense (SM) <br /> 10 color change to olive—gray 13 0.0 100 8:44 82- <br /> 10 <br /> 0 <br /> 28 <br /> 33 <br /> 15 density increases to very dense 23 0.0 100 9:00 B 5 <br /> S <br /> 25 <br /> 36 <br /> 20 15 153.2 100 9:31 B2— <br /> color change to brown and gray mottled 22 200 <br /> 31 <br /> 25 <br /> BORING DESIGNATION PAGE NUMBER FIGURE NUMBER <br /> B-2 1 <br /> a1wYMFXlI1 YNMOIOITJM4 — <br />