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I <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> • <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/MW- 8 DATE: 3/24/2004 <br />' PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 8 38 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 V O A'S& I LITER <br /> SITE CONTACT PRESERVATIVES HCL <br />' CONSULTANT BLAKELY ENVIRONMENTAL LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER HIRAM MONUMENT FLUSH <br />' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDI GROUNDWATER P I D READING/ODOR NIA NONE <br />' TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER feet 100th's 8 59 FEET CALC PURGE VOL 154 GAL <br /> DEPTH OF WELL feet 100th's 1800 FEET TOTAL VOLUME PURGED 461 GAL <br /> STANDING WATER COLUMN 941 FEET DEPTH OF PUMP 17 FEET <br /> 1 <br /> FIELD PARAMETERS <br />' TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVEDTURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPMILPM) (units) (UMBOS) (Celsius) (Mvotts) (PPM) (N T U) <br />' 0 N/A 5 GPM 739 1 4289 200 -745 168 LT BROWN <br /> 154 DRY '1 755 4270 204 -43 22 <br /> 307 755 4274 207 -21 1 8 " <br /> 461 757 4277 209 -16 19 " <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 17 03' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS VERY POOR RECHARGE" <br />' WEATHER CLEAR SKIES WIND <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 DRUM OR 60 GAL POLYDRUM <br />' INSTRUMENTATION Y S I 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER TIIERMODINE 580B P E D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />