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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> SAMPLE LOCATION /MW - 4 DATE: 6/26/2003 <br /> PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1555 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 V O A'S& 1 LITER <br /> SITE CONTACT PRESERVATIVES HCL/TSP <br /> CONSULTANT BLAKELY ENVIRONMENTAL LAB ANALYSIS BY SHERWOOD LABS <br /> PRO TECT MANAGER HIRAM MONUMENT FLUSH <br /> SAMPLER I DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED J WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR. NIA NONE <br /> TOP OF CASING EL VA N MSL COLOR BROWN TO CLEAR <br /> DEPTH TO WATER (feet100th's) 9 62 FEET CALC PURGE VOL 246 GAL <br /> DEPTH OF WELL (feet100th's) 2470 FEET TOTAL VOLUME PURGED 75 GAL <br /> STANDING WATER COLUMN 1101 FEET DEPTH OF PUMP TUBING FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING PH E C TEMP O R.P DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM/LPM) (units) (UMHOS} (Cchams) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 724 3809 215 -355 039 BROWN <br /> 25 724 3727 215 -457 048 CLEAR <br /> 5 726 3731 216 -422 051 " <br /> 75 725 3965 215 -422 05 " <br /> PURGE METHOD ISCO DIAPHRAM PUMP <br /> SAMPLE METHOD STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 1421 <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT 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 THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />