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1 <br />' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> • <br /> MONITORING WELL FIELD LOG 2004 <br /> 1 <br />' SAMPLE LOCATION/MW- 18 DATE: 9/30/2004 <br /> PROJECT NAME: FRONTIER TRUCKING ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS- LARCH ROAD SAMPLE TIME 1637 <br /> CITY,STATE- TRACY,CA SAMPLE CONTAINERS: 4 V O A'S <br /> SITE CONTACT PRESERVATIVES. HCL <br /> CONSULTANT BLAKELY ENVIRONMENTAL LAB.ANALYSIS BY. SHERWOOD LABS <br /> PROJECT MANAGER HIRAM MONUMENT: FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br />' SIGNED WELL CASING DIA.: 201 / 01632 <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 991 FEET CALC.PURGE VOL.: 470 GAL <br /> DEPTH OF WELL- feet.100th's 3872 FEET TOTAL VOLUME PURGED: 1411 GAL <br /> STANDING WATER COLUMN- 2881 FEET DEPTH OF PUMP: 37 FEET <br />' FIELD 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 (D T W.) (GpmALPM) (pelts) (u Hos) (Celsius) (Mvolts) (PPM) (N T U)_ <br />' 0 N/A 5 GPM 788 2637 212 77 17 BROWN <br /> 470 of Of 788 2578 212 80 18 CLEAR <br /> 940 789 2550 212 86 19 it <br /> 1411 789 2549 212 87 19 " <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 10 27' <br />' WELL INTEGRTTY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR SKIES WIND <br /> QUALITY CONTROL ALL PURGING E QUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOXSOAP NEW NITRILE GLOVES <br /> CONTAINMENT. D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 1556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />