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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION /MW - 4D DATE: 9/10/2002 <br /> PROJECT NAME CONNELL MOTORS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2211 N WILSON WAY SAMPLE TIME t2 16 <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 k DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA. . 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D.READING/ODOR NIA NONE <br /> TOP OF CASING ELE TION. MSL COLOR- BROWN TO CLEAR <br /> DEPTH TO WATER feet 100th's 5706 FEET CALC PURGE VOL 690 GAL <br /> DEPTH OF WELL- feet 100th's 99 40 FEET TOTAL VOLUME PURGED 21 GAL <br /> STANDING WATER COLUMN 4234 FEET DEPTH OF PUMP. NIA 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 (DTW) (GPMILPM) (units) {UMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 3 GPM 764 1171 22 -2902 3 8 BROWN <br /> 7 " " 762 1065 208 -302 9 092 to <br /> 14 762 1052 206 -300 1 073 CLEAR <br /> 21 760 1049 205 -3084 062 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 64 19' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE LOCK INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT 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 1 556 MUTIPROSE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> • SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT• WATER SOIL- <br />