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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION 1 MW - 3 DATE: 10/7/2004 <br />' PROJECT NAME DARPETRO,INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 13 50 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOA'S <br />' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT CALIFORNIA GEOPHYSICAL LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br />' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 4'0_/ 06528 <br /> SAMPLE MEDIA GROUNDWATER P I D READING 1 ODOR NIA MUSTY 1 FUEL <br />' TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN TO CLEAR <br /> DEPTH TO WATER feet 100th's 39 09 FEET CALC PURGE VOL 697 GAL <br /> DEPTH OF WELL feet 100th's 49 76 FEET TOTAL VOLUME PURGED 2090 GAL <br />' STANDING WATER COLUMN 1067 FEET DEPTH OF PUMP 48 FEET <br /> FIELD PARAMETERS <br /> 1 TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPMILPM) (units) (UmMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 1 GPM 746 1651 242 37 042 LT BROWN <br /> 697 01 it743 1657 239 25 021 CLEAR <br /> 1393 It743 1643 233 24 032 " <br /> 2090 it742 1631 23 1 24 031 It <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 40 83' <br />' WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br />' WEATHER CLEAR 1 HOT WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br />' CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br />' SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />