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1 <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/MW — 201 DATE: 8/6/2004 <br />' PROJECT NAME CASTLE MOTORS ISAMPLE <br /> ALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2315 N EL DORADO TIME 1453 <br /> CITY,STATE STOCKTON,CA MPLE CONTAINERS 2 VOA'S <br />' SITE CONTACT ESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICSB ANALYSIS BY SHERWOOD <br />' PROJECT MANAGER JOE ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDiA3 GROUNDWATER P I D READING 1 ODOR NIA NONE <br /> ' TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER feet.100th's 38 58 FEET CALC PURGE VOL 1818 GAL <br /> DEPTH OF WELL feet.100th's 150 00 FEET TOTAL VOLUME PURGED 5455 GAL <br /> ' STANDING WATER COLUMN 11142 FEET I DEPTH OF PUMP 148 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP OR DISSOLVED TURBIDITY <br /> CASINGVOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D TW) (CPM/Lpm) (units) (MsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 739N668 <br /> 206 -57 032 LT BROWN <br /> 1818 706 202 -32 061 " <br /> 3637 724 201 -36 037 " <br /> ' 5455 721199 -29 051 " <br /> ' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> ' D T W AFTER PURGE D T W AT SAMPLE TIME 64 82' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> ' REMARKS <br /> WEATHER CLEAR SKIES WIND <br /> QUALITY 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 DR UM OR 60 GAL POLYDRUM <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 />