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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION /MW - 104 DATE, 2/13/2003 <br /> PROJECT NAME CARDOZA SUPER STOP MKT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 290 N MAIN SAMPLE TIME 1030 <br /> CITY,STATE MANTECA,CA SAMPLE CONTAINERS 4 VOA'S <br /> SI7 E CONTACT PRESERVATIVES HCL&TSP <br /> CONSULTANT GEOLOGICAL TECHNICS INC LAB ANALYSIS BY SHERWOOD LABS <br /> ' PROJECT MANAGER RAY OR MIKE MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" 0 1632 <br /> SAMPLE MEDIA U GROUNDWATER P I D READING I ODOR NIA NONE <br /> TOP OF CASING ELEVA N MSL COLOR LT BROWN <br /> DEPTH TO WATER feet 100th's 23 56 FEET CALL PURGE VOL 420 GAL <br /> DEPTH OF WELL tfeet 100th's 49 30 FEET TOTAL VOLUME PURGED 12 GAL <br /> ' STANDING WATER COLUMN 2574 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 (D T W) (GPMlLPM) (units) (UsMHOS) (Cels,us) (Mvolts) (PPM) (N f U) <br /> 0 N/A 5 GPM 765 884 215 900 026 BROWN <br /> 4 766 883 214 569 026 " <br /> 8 766 880 214 214 025 " <br /> ' 12 765 875 213 15 3 024 " <br /> ' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> ' D T W AFTER PURGE D T W AT SAMPLE FIME 33 18' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR SKIES WIND <br /> QUALITY CONTROL ALL PURGING EQUIPMENT 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 DRUMOR 60 GAL POLYDRUM <br /> ' INSTRUMENTATION Y S 1 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER TIIERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />