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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION / MW - 7D DATE: 12/27/2002 <br /> PROJECT NAME CONNELL MOTORS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2211 N WILSON WAY SAMPLE TIME I 1 15 <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 i 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 ELEVATION- MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER feet lMth's 5111 FEET CALC PURGE VOL • 796 GAL <br /> DEPTH OF WELL feet 100th's 99 86 FEET TOTAL VOLUME PURGED 24 GAL <br /> STANDING WATER COLUMN 4875 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 771 834 209 09 093 LT BRN <br /> 8 775 822 21 -18 088 " <br /> 16 It773 821 206 -102 087 " <br /> 24 to " 744 846 21 5 -27 064 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 63 01' <br /> WELT.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 UIPMENTAND 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 DR UM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S 1 556 MUTIPROBE 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 />