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DEL-TECH Geotechnical Support Services <br /> MONITORING WELL FIELD LOG <br /> 1996 <br /> PROJECT NAME ARC PUMP &WELDING SAMPLE ANALYSIS PERFORMED TPH-Gas, B T X E , <br /> 1211 SOUTH TURNPIKE ROAD MTBE <br /> STOCKTON, CA 95206 AMPLE TIME 10 30 <br /> AMPLE CONTAINER(S) HCL PRESERVED <br /> V O A's& 1 BAILER BLANK <br /> ANALYSIS PERFORMED BY FGL LABS <br /> CLIENT HUNTER&ASSOCIATES DATE 09/16/1996 <br /> PROJECT MANAGER: BILL HUNTER SAMPLE LOCATION MW-2 <br /> AMPLER DON LIGHT START TIME <br /> GROUNDWATER XXX ADOSE OTHER <br /> CASING ELEVATION FEET MSL CASING DIAMETER, 2 INCH <br /> DEPTH TO WATER- 32 95 FEET CALCULATED CASING VOLUME 2 79 GAL <br /> I <br /> DEPTH OF WELL 50 10 FEET TOTAL VOLUME PURGED* 15 0 GAL <br /> TIME VOLUME pH E.C. TEMP O.R.P. COLOR OTHER <br /> gallons units Umhoakm Degrees C Mvolts (Visual) <br /> 0 71 1964 207 NIA BLACK STRONG GAS <br /> ODOR <br /> 30 71 1738 206 <br /> 60 72 1319 205 " GREY " <br /> 90 72 1298 205 " <br /> 11 <br /> 120 73 1290 205 CLEAR " <br /> 150 73 1287 204 <br /> PURGE METHOD • SUBMERSIBLE PUMP <br /> SAMPLE METHOD. 1'STAINLESS STEEL BAILER <br /> DEPTH TO WATER AFTER PURGE- DEPTH TO WATER AT SAMPLE TIME <br /> WELL INTEGRITY CAP AND SEAL ARE SECURE, NO LOCK IS INSTALLED <br /> REMARKS. GOOD RECHARGE <br /> WEATHER CLEAR SKIES <br /> QUALITY CONTROL. ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED <br /> IN THE FIELD WITH STEAM CLEANER&ALCONOX <br /> NEW NITRILE GLOVES WERE WORN AT ALL TIMES <br /> WELL LOCATION. NORTH <br /> CONTAINMENT- POLY DRUMS <br /> INSTRUMENTATION ORION pH/TEMPERATURE METER 2 POINT pH CALIBRATION (4 0 & 7 0) <br /> ORION CONDUCTIVITY METER <br /> ENVIRONMENTAL INSTRUMENTS SLOPE METER <br /> KECK PRODUCT INTERFACE METER <br /> THERMODYNE 5808 PHOTO IONIZATION DETECTOR <br />