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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> l� <br /> MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/ MW- 2 DATE: 2/12/2004 <br /> PROJECT NAME CARDOZA SUPER STOP MKT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 290 N MAIN SAMPLE TIME 16 00 <br /> CITY,STATE MANTECA,CA SAMPLE CONTAINERS SEE CHAIN OF CUSTODY <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS INC LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER JOE ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED `' WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR- N/A NONE <br /> TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN TO CLEAR <br /> ' DEPTH TO WATER feet 100th's 25 02 FEET CALC PURGE VOL 233 GAL <br /> DEPTH OF WELL feet 100th's 39 30 FEET TOTAL VOLUME PURGED 699 GAL <br /> STANDING WATER COLUMN 1428 FEET DEPTH OF PUMP 38 FEET <br /> ' FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP OR P DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPMILPM) (units) (USMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 798 845 213 402 095 LT BROWN <br /> ' <br /> 233 11 <br /> " 790 839 215 400 042 " <br /> 466 It <br /> 796 829 215 393 037 CLEAR <br /> 699 It <br /> 800 809 215 407 033 " <br /> 1 <br /> ' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 30 53' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER OVERCAST WIND NW10 <br /> QUALITY CON'T'ROL ALL PURGING E UZPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> ' CONTAINMENT D 0 T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S I 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 5808 P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />