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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION I MW - 4S DATE: 12/27/2002 <br /> PROJECT NAME CONNELL MOTORS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2211 N WILSON WAY SAMPLE TIME 910 <br /> CITY,STATE STOCKTON, CA SAMPLE CONTAINERS 4 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 DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 01632 <br /> SAMPLE ME GROUNDWATER P I D READING/ODOR NIA NONE <br /> TOP OF CASING EL ATION MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER feet 100th's 51 20 FEET CALC PURGE VOL 147 GAL <br /> DEPTH OF WELL feet 100th's 6022 FEET TOTAL VOLUME PURGED 45 GAL <br /> STANDING WATER COLUMN 902 FEET DEPTH OF PUMP NIA FEET <br /> • FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW I PUMPING pHE C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (=LPM) (units} (UMHOS) (Celsius) (MvolIs) (PPM) (N T U) <br /> 0 N/A 5 GPM 803 1252 192 -145 180 LT BRN <br /> 1 5 767 1250 20 169 1 63 " <br /> 3 758 1240 202 18 305 " <br /> 45 756 1241 198 75 145 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 52 35' <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 E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S 1 556 MUTIPROBE SYSTEM 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 />