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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2006 <br /> SAMPLE LOCATION/MW - 38 DATE: 6/23/2006 <br /> PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1105 <br /> CITY STATE TRACY CA SAMPLE CONTAINERS 3 V O A'S <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT BIOPHYSICAL ASSESSMENTS LAB ANALYSIS BY ASC <br /> PROJECT MANAGER DAVE 1 WINDY MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSL COLOR BROWN TO CLEAR <br /> DEPTH TO WATER feeLl00th's 1108 FEET CALC PURGE VOL 451 GAL <br /> DEPTH OF WELL feeLl00th's 3872 FEET TOTAL VOLUME PURGED 1353 GAL <br /> STANDING WATER COLUMN 2764 FEET DEPTH OF PUMP 37 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 GpNvum wets HOS Celsus valffi M (NTU) <br /> 0 N/A 10 GPM 740 239I 28 1 222 098 BROWN <br /> 451 750 2126 i 230 226 163 CLEAR <br /> 902 730 2184 i 214 227 107 <br /> 13 53 730 2109 214 227 <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 1110, <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> IWEATHER. CLEAR SKIES/HOT WIND <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D 0 T 17 55 GAL STEEL DRUM OR 60 GAL.POLYDRUM <br /> INSTRUMENTATION Y S L 556 MULTIPROBE Y S L DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECKINTERFACE WTER TURBID=METER <br />