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I <br />' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION 1 MW- 5 DATE: 6/18/2004 <br /> PROJECT NAME FRONTIER TRUCKINGANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME: 1230 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 V O A'S & 1 LITER <br />' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT BLAKELY ENVIRONMENTAL LAB ANALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER HIRAM MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DLA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER (feet 100th's) 982 FEET CALL.PURGE VOL : 170 GAL <br /> DEPTH OF WELL feet 100th's 20 25 FEET TOTAL VOLUME PURGED- 511 GAL <br />' STANDING WATER COLUMN 1043 FEET DEPTH OF PUMP 20 FEET <br /> FIELD PARAMETERS <br />� . TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPMILPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 737 5280 229 -21 3 6 LT BROWN <br /> 170 " " 735 4970 229 -24 27 " <br /> 340 " 738 4881 227 -26 37 " <br />' 511 735 4854 228 -24 37 " <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 1124' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR SKIES WIND <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITHASTEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br />' INSTRUMENTATION Y S I 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />