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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> SAMPLE LOCATION/MW - 4 DATE: 6/9/2003 <br /> PROJECT NAME WESTERN OIL&SPREADING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS HWY 99 FRONTAGE ROAD SAMPLE TIME 1026 <br /> CITY,STATE LODI,CA SAMPLE CONTAINERS 2 VOA'S/1 LITER <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT D K BARBER&ASSOC LAB ANALYSIS BY SEQUOIA LAB/SAC <br /> PROJECT MANAGER DAN BARBER MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA MUSTY <br /> TOP OF CASING ELE ION 57 64 MSL COLOR CLEAR <br /> DEPTH TO WATER (feet 100th's) 4973 FEET CALC PURGE VOL 1 39 GAL <br /> DEPTH OF WELL (feet 100th's) 5827 FEET TOTAL VOLUME PURGED 45 GAL <br /> STANDING WATER COLUMN 8 54 FEET I DEPTH OF PUMP NIA 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) (GPMILPW (units) (UsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 710 1160 202 1 45 026 CLEAR <br /> 15 706 1045 206 64 144 <br /> 3 7 10 1045 207 53 102 " <br /> 45 7 10 1043 207 49 098 " <br /> AVERAGE 709 1073 25 2055 5275 <br /> PURGE METHOD DEDICATED WATERRA INERTIA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA INERTIA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 54 80' <br /> WELL INTEGRITY <br /> WELL LOCATION SEE SITE MAP <br /> ' REMARKS <br /> WEATHER CLEAR SKIES WIND NW 5 MPH <br /> ' QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQ 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 I 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />