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1 <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2002 <br /> ' SAMPLE LOCATION /MW— 2 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/ 1 LITER <br /> SITE CONTACT 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 NIA NONE <br /> ' TOP OF CASING E-LEVXFION MSL COLOR BROWN <br /> DEPTH TO WATER (feet 100th's) 5082 FEET CALC PURGE VOL 1 37 GAL <br /> DEPTH OF WELL feet 100th's 5923 FEET TOTAL VOLUME PURGED 45 GAL <br /> STANDING WATER COLUMN 841 FEET DEPTH OF PUMP N/A FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C 'I EMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D T W) (GpMILPm) (units) (UsMUOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 679 1018 191 124 07 BROWN <br /> 15 " 679 1010 191 124 062 <br /> 3 677 1004 191 128 06 " <br /> ' 45 677 1000 189 129 053 " <br /> AVERAGE 678 1008 1905 12625 <br /> rPURGE METHOD DEDICATED WATERRA INERTIA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA INERTIA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 53 27' <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 EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED INTIfE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> ' INSTRUMENTATION Y S 1 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLIMST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> r <br /> r <br />