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1 <br /> t <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> • <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION 1 MW- 7 DATE: 7/19/2004 <br /> PROJECT NAME DARPETRO, INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1136 <br /> CITY,STATE STOCKTON, CA SAMPLE CONTAINERS 4 VOA'S <br /> SITE CONTACT 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" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING 1 ODOR N/A MUSTY <br />' TOP OF CASING ELEV TION MSL COLOR DARK GREY <br /> DEPTH TO WATER feet 100th's 3711 FEET CALC PURGE VOL 424 GAL <br /> DEPTH OF WELL feet 100th's 6311 FEET TOTAL VOLUME PURGED 1273 GAL <br />' STANDING WATER COLUMN: 2600 FEET DEPTH OF PUMP 61 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM/LPM) I (units) l(UmMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA I GPM 733 1317 225 -200 052 1000+ <br /> 424 " it 731 1288 223 -205 04 It <br /> 849 It732 1287 223 -205 061 It <br /> 1273 " " 731 1288 223 -203 046 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 37 13' <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 EQUIPMENT 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 /> INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED O)YGFN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />