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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION /MW - 7S DATE: 2/13/2002 <br /> PROJECT NAME CONNELL MOTORS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2211 N WILSON WAY SAMPLE TIME 1140 <br /> CITY,STATE STOCKTON, CA SAMPLE CONTAINERS 5 V O A 'S <br /> SITE CONTACT NONE PRESERVATIVES HCL <br /> CONSULTANT FOOTHILL ENG LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER IRV MONUMENT FLUSH <br /> SAMPLER I DEL-TECH WELL CASING MATERIAL FVC <br /> SIGNED A WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIR GROUNDWATER P I D READING/ODOR- N/A NONE <br /> TOP OF CASING ELE TION MSL COLOR BROWN TO LIGHT BROWN <br /> DEPTH TO WATER• feet l0th's 4560 FEET CALC PURGE VOL 229 GAL <br /> DEPTH OF WELL feet 100th's 5962 FEET TOTAL VOLUME PURGED- 75 GAL. <br /> STANDING WATER COLUMN 1402 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) (GPM/LPM) (units) (UMIJOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 699 748 22 -59 N/A BROWN <br /> 25 " 697 753 219 -51 <br /> 5 <br /> 699 754 22 1 -48 LT BRN <br /> 75 " 700 756 22 1 -31 ' <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 49 33' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE LOCK INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER OVERCAST SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING E QUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P 1 D <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT WATER SOIL. <br />