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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2002 <br /> ' SAMPLE LOCATION/MW - 109 DATE: 2/26/2002 <br /> ' PROJECT NAME 3 M EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1456 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 2 V O A'S <br /> ' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANTGEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> ' PROJECT MANAGER RAY/MIKE MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED 1 WELL CASING DTA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA SULFUR <br /> TOP OF CASING ELEV N MSL COLOR GREY TO CLEAR <br /> DEPTH TO WATER (feet 100th's) 1433 FEET CALC PURGE VOL 1074 GAL <br /> DEPTH OF WELL (feet 100th's) 80 16 FEET TOTAL VOLUME PURGED 33 GAL <br /> ' STANDING WATER COLUMN 6583 FEET I DEPTH OF PUMP NIA FEET <br /> FrELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP O R.P DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (DTW) (GPMILPM) (units) (MsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 2 GPM 776 692 226 -57 N/A GREY <br /> 11 " 727 665 216 -60 CLEAR <br /> 22 It <br /> " 738 661 21 6 -86 " <br /> 33 742 654 21 6 -98 " <br /> PURGE METHOD DEDICATED WATERRA PUMP&TUBING <br /> ' SAMPLE METHOD DEDICATED WATERRA PUMP&TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 23 07' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER OVERCAST SKIES WIND <br /> 1 QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP iVEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 66 GAL POLYDR UM <br /> ' INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 5800 P I D <br /> 1 KECK INTERFACE METER TURBIDITY METER <br />