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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION /MW - 13 DATE: 6/18/2004 <br /> PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED- SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1710 <br /> CITY,STATE. TRACY,CA SAMPLE CONTAINERS 4 V O A'S & 1 LITER <br /> SITE CONTACT- PRESERVATIVES- HCL <br /> CONSULTANT BLAKELY ENVIRONMENTAL LAB ANALYSIS BY SHERWOOD LABS <br /> I PROJECT MANAGER FERAM MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVATION MSL COLOR BROWN TO CLEAR <br /> DEPTH TO WATER- feet 100th's) 957 FEET CALC PURGE VOL 497 GAL <br /> DEPTH OF WELL (feet 100th's) 4000 FEET TOTAL VOLUME PURGED 1490 GAL <br /> ISTANDING WATER COLUMN. 3043 FEET DEPTH OF PUMP 39 FEET <br /> FIELD PARAMETERS <br />�i TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPNVLPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 722 4188 217 62 047 BROWN <br /> 497 " 721 4158 213 42 037 CLEAR <br /> 993 " 720 4156 212 41 0 31 " <br /> 1490 " 720 4155 213 41 031 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 9 67' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <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 /> I FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> I INSTRUMENTATION Y S 1 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> I <br />