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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2006 <br /> SAMPLE LOCATION 1 MW - 1 DATE 3/31/2006 <br />' PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1225 <br />' <br /> CITY,STATE TRACY CA SAMPLE CONTAINERS 3 V O A'S <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT BIOPHYSICAL ASSESSMENTS LAB ANALYSIS BY i <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 I D READING/ODOR N/A NONE <br />' TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER feet 100th's 1 1 55 FEET i CALC PURGE VOL 202 GAL <br /> DEPTH OF WELL feet 100th's 23 92 FEETI TOTAL VOLUME PURGED 606 GAL <br /> STANDING WATER COLUMN 1237 FEET I DEPTH OF PUMP 23 FLET <br /> 1 FIELD PARAMETER <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br />' CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE DTW GPM/I PMI wale UMHOS Celsius Mvolts PPM N T U <br /> 0 NIA 1 0 GPM 679 3140 193 643 0 35 LT BROWN <br /> 202 679 3222 194 629 035 " <br />' <br /> 404 „ " 679 3265 194 649 036 " <br /> 606 678 3355 195 603 0 19 " <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 12 06' <br />' WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br />' WEATHER OVERCAST/COLD WIND NW5 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br />' CONTAINMENT DO T 1755 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S 1 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER TIIERMODINE 580B P I D <br />' KECK INTERFACE METER TURKIDiTY METER <br /> #OF DRUMS ON SIGHT WATER 7 SOIL 0 <br /> • <br /> I <br /> 1 <br />