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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2006 <br /> SAMPLE LOCATION/MW- 2 DATE: 4/14/2006 <br /> PROJECT NAME BENETO INC fig ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1120 <br /> CITY STATE STOCKTON CA SAMPLE CONTAINERS 4 VOLAS <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT CALIFORNIA GEOPHYSICAL_, BAN LYSIS BY ARGON LABS <br /> PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL. PVC <br /> SIGNED WELL CASING DIA. 4" / 06528 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A FUEL <br />' TOP OF CASING ELEVATION MSL COLOR BROWN TO LIGHT BROWN TO CLEAR <br /> DEPTHTOWATER. feet. 0th' 3520 FEET CALL EURGE VOL. 965 GAL <br /> DEPTH OF WELL feet.l00th's 4999 FEET TOTAL VOLUME PURGED 2896 GAL <br /> STANDING WATER COLUMN 1479 FEET DEPTH OF PUMP 48 FEET <br />' FIELD PARAMETERS <br /> TIME CUMUI ATNF DRAW PUMPING pH E C TEMP O R.P DISSOLVED =COLOR <br /> Y <br />' • CASING VOLUME DOWN RATE OXYGENPER PURGE T W pj=p wtlls Colo- <br /> 0 N/A 1 0 GPM 646 2137 21 8 -104 054 BROWN <br />' 1 965 650 2086 217 -112 044 LT BROWN <br /> 1931 638 2098 217 -109 11 CLEAR <br /> 2896 643 2154 219 -113 076 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD- DEDICATED WATERRA PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 3528, <br /> WELL INTEGRITY CAP&SEAL ARE SECURE. <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br />' WEATHER CAST SKIES/WARM. WIND NONE <br /> QUALITY CONTROL ALL PURGING E UIPMENTAND&4kTLlJVG&ULMENT WAS CLEANED IN THE <br /> F7EI I1 AST C ONQX SOAP NEW NI rS GLO VES <br />' CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL.POLY DRUM <br /> INSTRUMENTATION Y S L 3560 FWWCELL Y S I DLSWLVED OXYGEN METER <br /> SOLDMT SLOPE NETER TllODIPfE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> • <br /> I <br />