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DEL,-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 4 DATE: 5129198 <br /> PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED TPH-GAS B T X E <br /> ADDRESS. 1600 DURHAM FERRY ROAD SAMPLE TIME: 1703 <br /> CITY.STATE. TRACY CA SAMPLE CONTAINERS. 2 V O A s & I B B <br /> SITE CONT kCT. GEORGE OR MAE PRESERVATIVES: HCL <br /> CONSULTANT GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY SHERWOOD <br /> PROJECT MANAGER RAY OR MIKE MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED. WELL CASING DIA 2' / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I.D.READING/ODOR- 37 PPM GAS <br /> TOP OF CASING ELE ON: MSL COLOR LT BRN <br /> DEPTH TO WATER. (feeL100th's) 1017 FEET CALC.PURGE VOL. 155 GAL <br /> DEPTH OF WELL. (feeL100th's) 1970 FEET TOTAL VOLUME PURGED: 6 GAL <br /> STANDING WATER COLUMN: 953 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> TIME CA.SLNG DRAW PUMPING pH E.C. TEMP O R.P DISSOLVED TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (GPMALPN) I (units) (UMMHOS) (Celmus) (Mvolts) (ppm) (NTL) <br /> 1121 0 NIA 5 GPM 744 1245 209 1 -29 N/A LT BRN <br /> 1649 2 7-71 1143 207 40 <br /> 1653 4 775 1103 207 38 <br /> 1658 6 776 1120 206 29 <br /> FP�U�RGEHOD CENTRIFUGAL PUMP <br /> THOD ISTAINLESS STEEL BAILERER PURGE D T W AT SAMPLE TIME 1142 <br /> GRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLIDTION SEE SrM MAP <br /> REMARKS POOR TO SLOW RECHARGE <br />' WEATHER CLEAR WIND NW 10 <br /> UALITY CONTROL ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S1 3560 FLOWCELL Y S I DISSOLVM OXYGEN METER <br /> SOLINIST SLOPE METER THl:WODINI:5808 P I D <br /> K$K WrERFACE IMEtER TURBIDITY VfE= <br />