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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW - 12 DATE: 3/24/2004 <br />' PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1032 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 V O A'S& 1 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" / 0 1632 <br /> SAMPLE MEDft GROUNDWATER P I D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVATION MSL COLOR LIGHT GREY TO CLEAR <br /> DEPTH TO WATER feet 100th's 901 FEET CALC PURGE VOL 498 GAL <br /> DEPTH OF WELL (feet 100th's 3953 FEET TOTAL VOLUME PURGED 1494 GAL <br /> STANDING WATER COLUMN 3052 FEET I DEPTH OF PUMP- 38 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) (GPM/LPM) (units) (UMHOS) (Celsius) (Mv01ts) (PPM) (N T U) <br />' 0 NIA 5 GPM 758 2528 224 -715 140 LT GREY <br /> 498 of <br /> " 762 2221 221 -821 146 CLEAR <br /> 996 of761 2218 218 -842 1 50 " <br />' 1494 760 2227 220 -837 110 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 10 88' <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 E UIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOXSOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DR UM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S 1 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLMIST SLOPE METER THERMODINE 580B P 1 D <br /> KECK INTERFACE METER TURBIDITY METER <br />