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' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION 1 MW- 11 DATE- 10/7/2004 <br /> PROJECT NAME DARPETRO, 1NC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1045 <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/ODOR NIA MUSTY <br />' TOP OF CASING ELEVATION MSL COLOR GREY <br /> DEPTH TO WATER feet 100th's 3891 FEET CALL PURGE VOL 407 GAL <br /> DEPTH OF WELL feet 100th's 63 82 FEET TOTAL VOLUME PURGED 1220 GAL <br /> STANDING WATER COLUMN 2491 FEET I 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) (GPMILPM) (units) (UmMHOS) (Celsius) I (Mvolts) (PPM) (N T U) <br />' 0 NIA 5 GPM 622 1239 22 5 179 073 GREY <br /> 407 " " 711 1270 21 7 127 024 " <br /> 8 13 722 1275 21 2 111 035 " <br />' 1220 729 1280 21 2 100 027 " <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 99' <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 EQUIPMENTAND 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 OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> . KECK INTERFACE METER TURBIDITY METER <br />