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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2002 <br /> iSAMPLE LOCATION/MW - 2 DATE: 2/26/2002 <br />' PROJECT NAME J M EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1230 <br /> CITY,STATE STOCKTON, CA SAMPLE CONTAINERS 2 V O A'S <br /> i SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> i PROJECT MANAGER RAY/MIKE MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" 1 0 1632 <br /> i SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA NONE <br /> TOP OF CASING ELF ION MSL COLOR CLEAR <br /> DEPTH TO WATER (feet 100th's) 1478 FEET CALC PURGE VOL 387 GAL <br /> i DEPTH OF WELL (feet 100th's) 3850 FEETI TOTAL VOLUME PURGED 12 GAL <br /> STANDING WATER COLUMN 23 72 FEET I 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 /> i PER PURGE (DTW) (GPM/LPM) (units) (MsMHOS) (Celsius) (mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 714 923 226 147 N/A CLEAR <br /> 4 700 904 223 66 " <br /> i 8 ti680 879 222 20 " <br /> 12 It <br /> 694 868 224 -9 " <br /> iPURGE METHOD WATERRA DEDICATED PUMP <br /> SAMPLE METHOD WATERRA DEDICATED PUMP <br /> i D T W AFTER PURGE D T W AT SAMPLE TIME 20 46' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> iREMARKS GOOD RECHARGE <br /> WEATRER OVERCAST SKIES WIND NW5 <br /> i QUALITY CONTROL ALL PURGING EQUIPMENT AND S,4 MPLINGs E <br /> -EWAANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY-DRUM <br /> i INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> i <br /> i <br />