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DEL-TECH GEOTECBMCAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> lj'_S_AMPLE=OCATION/MW— 204 DATE: 4/27/2004 <br /> ' PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME 1820 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS 4 VOA'S <br /> ' SITE CONTACT GEORGE&MAE PRESERVATIVES- HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> ' PROJECT MANAGER ERIC PRICE MONUMENT. FLUSH <br /> SAMPLER. DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED. WELL CASING DIA 2" 1 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING 1 ODOR NIA NONE <br /> ' TOP OF CASING ELEVATION MSL COLOR BROWN TO LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER feet 100th's 1253 FEET CALC PURGE VOL 563 GAL <br /> DEPTH OF WELL feet 100th's 4705 FEET TOTAL VOLUME PURGED- 1690 GAL <br /> STANDING WATER COLUMN 3452 FEET DEPTH OF PUMP 46 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM1LPM) (units) (N T U) <br /> 0 NIA 5 GPM 783 1571 203 1 21 BROWN <br /> 563 754 1594 198 -35 26 " <br /> ' <br /> 1127 741 1577 199 -38 25 LT BROWN <br /> 1690 748 1587 195 -79 22 CLEAR <br /> ' PURGE METHOD WATERRA PUMP <br /> SAMPLE METROD WATERRA PUMP <br /> ' D T W AFTER PURGE D T W AT SAMPLE TIME 14 44' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> ' REMARKS GOOD RECHARGE <br /> WEATHER CLEAR SKIES WIND' NONE <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND 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 DR UM OR 64 GAL POLYDRUM <br /> ' INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOL 49T SLOPE METER THERMODINE 580B P I D <br /> KECK.INTERFACE METER TURBIDITY METER <br /> 1 <br />