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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION /MW - 9 DATE, 10/7/2004 <br /> PROJECT NAME DARPETRO,INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1 1 50 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOA'S <br /> SITE CONTACT I PRESERVATIVES HCL <br /> CONSULTANT CALIFORNIA GEOPHYSICAL LAB ANALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P 1 D READING/ODOR NIA FUEL <br />' TOP OF CASING ELEVATION MSL, COLOR GREY <br /> DEPTH TO WATER feet 100th's 38 19 FEET CALC PURGE VOL 420 GAL <br /> DEPTH OF WELL feet 100th's 63 92 FEET TOTAL VOLUME PURGED 1260 GAL <br />' STANDING WATER COLUMN 2573 FEET DEPTH OF PUMP 61 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) (GPMILPM) (units) (UmMHOS) (Celsius) (Mvults) (PPM) (N T U) <br /> 0 NIA 5 GPM 740 2642 223 808 635 GREY <br /> 420 739 2682 225 77 040 " <br /> 840 752 2022 220 71 040 " <br /> 1260 Pi750 2020 220 70 039 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 38 50' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR/HOT WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DR UM OR 60 GAL POLY DR UM <br /> IINSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> . SOLINIST SLOPE METER THERMOWNE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />