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DEL-TECH Geotechnical Support Services <br /> MONITORING WELL FIELD LOG <br /> PROJECT NAME Wafts Refrigeration SAMPLE ANALYSIS PERFORMED TPH-GAS/BTX E <br /> 1876 Country Club SAMPLE TIME- 12 24 <br /> Stockton, CA SAMPLE CONTAINER(S) 3 V O A'S <br /> ANALYSIS PERFORMED BY SHERWOOD LABS <br /> CLIENT MANUEL SANCHEZ DATE 02/01/96 <br /> PROJECT MANAGER BILL HUNTER SAMPLE LOCATION MW-1 <br /> AMPLER. DON LIGHT START TIME <br /> GROUNDWATER- XXX J�ADOSE OTHER Well Head PID reading 65 0 PPM <br /> CASING ELEVATION FEET MSL CASING DIAMETER 2 INCH <br /> DEPTH TO WATER 17 86 FEET CALCULATED CASING VOLUME 2 29 GAL <br /> DEPTH OF WELL 31 90 FEET TOTAL VOLUME PURGED 7 5 GAL <br /> TIME VOLUME pH E.C. TEMP COLOR OTHER <br /> gallons units Umhoslcm Degrees C Visual <br /> • 0 66 1830 236 TURBID STRONG <br /> GRE GAS ODOR <br /> 25 67 1768 251 " <br /> 50 67 1783 252 LT TURBID " <br /> 75 66 1784 254 " <br /> PURGE METHOD . CENTRIFUGAL PUMP <br /> SAMPLE METHOD 3 FOOT STAINLESS STEEL BAILER <br /> DEPTH TO WATER AFTER PURGE 17.94' DEPTH TO WATER AT SAMPLE TIME <br /> WELL INTEGRITY: CAP AND SEAL ARE SECURE LOCK IS INSTALLED <br /> REMARKS GOOD RECHARGE <br /> WEATHER CLEAR AND COOL <br /> QUALITY CONTROL- ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED <br /> IN THE FIELD WITH ALCONOX <br /> NEW NITRILE GLOVES WERE WORN AT ALL TIMES <br /> WELL LOCATION WELL IS LOCATED AT THE NORTHIWEST CORNER OF LOT <br /> CONTAINMENT* D OT' 17 STEEL DRUM <br /> INSTRUMENTATION ORION pHITEMPERATURE 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 580B PHOTO IONIZATION DETECTOR <br />