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' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2006 <br /> SAMPLE LOCATION/MW - 2 DATE 3/31/2006 <br />' PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1317 <br />' CITY STATE TRACY CA SAMPLE CONTAINERS 3 V O A'S <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT BIOPHYSICAL ASSESSMENTS LAS ANALYSIS BY <br />' PROJECT MANAGER DAVE/WINDY MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED '� WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P 1 D READING I ODOR N/A FUEL <br />' TOP OF CASING ELEVATION MSL COLOR CLEAR <br /> DEPTH TO WATER feet 104th's 12 01 FEET CALC PURGE VOL 2 12 GAL <br /> DEPTH OF WELL feet 144th's 25 02 FEET TOTAL VOLUME PURGED 637 GAL <br /> STANDING WATER COLUMN 13 01 FEET DEPTH OF PUMP 24 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 (GPM1ULPM( (routs) (UMHOS) (CelsLus) (Mvolts) (PPM) (N T U) <br /> 0 NIA 0 5 GPM 667 4561 206 526 042 CLEAR <br /> 2 12 665 4701 203 496 023 " <br />' <br /> 425 " 665 4850 204 496 023 " <br /> 637 667 4885 205 491 022 <br /> 1 PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 12 88' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS OILY SHEEN DROPLETS <br />' WEATHER OVERCAST/COLD WIND NW5 <br /> QUALITY CONTROL ALL PURGING E UIPMENTAND SAMPLING E UIPMENT 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 S 1556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P 1 D <br />' KECK INTERFACE METER TURBIDITY METER <br />