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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION /MW - 5 DATE: 12/20/2002 <br /> PROJECT NAME WESTERN OIL& SPREADING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS HWY 99 FRONTAGE ROAD SAMPLE TIME <br /> CITY,STATE LODI,CA SAMPLE CONTAINERS 2 VOA'S I 1 LITER <br /> SITE CONTACT I PRESERVATIVES HCL <br /> ' CONSULTANT D K BARBER& ASSOC LAB ANALYSIS BY SEQUOIA LAB/SAC <br /> PROJECT MANAGER DAN BARBER MONUMENT FLUSH <br /> ' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A NONE <br /> ' TOP OF CASING El EV ION MSL COLOR BROWN <br /> DEPTH TO WATER feet 100th's) 52 12 FEET CALC PURGE VOL I 36 GAL <br /> DEPTH OF WELL feet 100th's 6048 FEET TOTAL VOLUME PURGED 45 GAL <br /> ' STANDING WATER COLUMN 836 FEET DEPTH OF PUMP N/A 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) (UsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 691 824 186 115 22 BROWN <br /> 1 5 " It <br /> 690 834 186 116 2 " <br /> 3 It <br /> It 688 870 185 116 1 7 LT BRN <br /> 45 687 879 18 5 119 16 " <br /> AVERAGE 689 851 75 1855 1165 <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 20' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER OVERCAST/RAINING WIND NW 15 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DR UM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S 1556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />