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DEL TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2005 <br /> SAMPLE LOCATION/MW - 20 DATE: 12115/2005 <br /> PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS !ARCH ROAD SAMPLE TIME- 1300 <br /> CITY STATE TRACY CA SAMPLE CONTAINERS 4 V O A'S <br /> SITE CONTACT PRESERVATIVES HCL <br />' CONSULTANT BIOPHYSICAL ASSESSMENTS LAR ANALYSIS BY. SHERWOOD LABS <br /> PROJECT MANAGER DAVE/WINDY MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL. PVC <br />' SIGNED ^"` WELL CASING AIA. 2" / <br /> 01632 <br /> SAMPLE MEDIA GROUNDWATER P LD READING/ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSI. COLOR BROWN <br /> DEPTH TO WATER feeLlOOth'3 1144 FEET CALL PURGE VOL. 131 GAL <br />' DEPTH OF WELL ffeetIOGWsl 1948 FEET TOTAL VOLUME PURGED 394 GAL <br /> STANDING WATER COLUMN 8 O4 FEET DEPTH OF PUMP- 18 FEET <br /> FIELD PARAMETERS <br /> TIME cumuLATrvE DRAW PUMPING pH E.CORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (GrwLp") (tmhs C bko n!!5 T[I <br /> 6 N/A 1 0 GPM 740 4407 22.5 128 16 BROWN <br /> 131 740 4570 224 126. 1 8 <br /> 262 DRY <br /> 394 " <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME l6 83' <br /> WELL INTEGRITY CAP&.SEAL ARE SECURE <br /> I WELL LOCATION SEE SrM MAP <br /> REMARKS SLOW RECHARGE/GRAB SAMPLE <br /> DUPLICATE LABELED MW-27 AT 13 05 <br /> WEATHER COLD/OVERCAST WIND• <br /> QUALITY CONTROL ALL PURCJNG E UIPMENTAND SAMPLING EPUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STHAMC &ALCONOX SOAP NEWAU7WlEGL0VES <br /> CONTAINMENT D O T 17 53 GAL STEEL DRUM OR 60 GAL POLY DRUM <br />' INSTRUMENTATION Y S 1556 MULTIPRO13E Y S I DLSSOLVED OXYGt N MEM <br /> SOLURSI'SWk MITER TIERMODWB 580E P I D <br /> KECK WrERFACE METER TURBIDITY METER <br />