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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> - MONITORING WELL FIELD LOG 2005 <br /> SAMPLE LOCATION /MW- 4 DATE: 9/29/2005 <br /> PROJECT NAME WESTERN OIL&SPREADING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS HWY 99 FRONTAGE ROAD SAMPLE TIME 1650 <br /> CITY STATE LODI CA SAMPLE CONTAINERS I AMBER LITER NEAT <br /> SITE CONTACT PRESERVATIVES NONE <br /> CONSULTANT D K BARBER&ASSOC LAB ANALYSIS BY SEQUOIA LAB/SAC <br /> PROJECT MANAGER DAN BARBER MONUMENT FLUSH <br />' SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P 1 D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVATION 5764 MSL COLOR BROWN TO CLEAR <br />' DEPTH TO WATER feet 100th's 53 31 FEET CALC PURGE VOL 091 GAL <br /> DEPTH OF WELL feet 100th's 5886 FEET TOTAL VOLUME PURGED 272 GAL <br /> STANDING WATER COLUMN 5 55 FEET I DEPTH OF PUMP 57 FEET <br />' FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEM=M,.,, <br /> DISSOLVED TURBIDITY <br />' CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE D T W GPM/LPMi units UsMHOS CelsiuPPM N T U <br /> 0 N/A 5 GPM 667 1172 203 91 3 11 BROWN <br /> 091 " „ 670 1107 203 94 17 " <br /> 181 670 1099 1 202 92 15 CLEAR <br /> 272 672 1091 200 95 15 " <br /> AVERAgE___j 0 1 111725 1 202 1 93 075 <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 55 28' <br /> WELL INTEGRITY <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS <br /> WEATHER CLEAR SKIES/SUNNY WIND NW 5 MPH <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOXSOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT 1755 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S 1 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />