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bEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION /MW - 8 DATE- 10/7/2004 <br /> PROJECT NAME DARPETRO,INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 18 I2 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOA'S <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT CALIFORNIA GEOP14YSICAL LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED �`z� WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A MUSTY <br />' TOP OF CASING ELEVATION MSL COLOR GREY <br /> DEPTH TO WATER feet 100th's 3868 FEET CALC PURGE VOL 399 GAL <br /> DEPTH OF WELL feet 100th's 63 11 FEET TOTAL VOLUME PURGED 1196 GAL <br />' STANDING WATER COLUMN 2443 FEET DEPTH OF PUMP 61 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP OR DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPMlLPM) (units) (UmMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 774 1766 228 -16 037 GREY <br /> 399 " " 776 1794 228 -19 029 to <br /> 797 776 1788 227 -20 028 " <br /> 1196 777 1797 227 -21 034 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 40 36' <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 E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH 4 STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />