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i <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/MW- 9 DATE: 7/19/2004 <br />' PROJECT NAME DARPETRO, INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 9 17 <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 LIGHT BROWN <br /> DEPTH TO WATER feet 100th's 36 85 FEET CALC PURGE VOL 442 GAL <br /> DEPTH OF WELL feet 100th's 63 92 FEET TOTAL VOLUME PURGED 1325 GAL <br /> ISTANDING WATER COLUMN 2707 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) I (GPMILPM) I (units) l(UmMHOS)i (Celsius) (Mvoits) (PPM) (N T U) <br /> 0 N/A 1 GPM 710 3508 225 81 084 1000+ <br /> 442 It <br /> " 717 2364 222 -110 065 " <br /> 884 it <br /> " 723 1874 220 -142 669 it <br />' 1325 725 1767 221 -154 070 " <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 36 85' <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 STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DR UM OR 60 GAL POLYDRUM <br />' INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLMST SLOPE METER THERMODME 580B P I D <br /> l KECK INTERFACE METER TURBIDITY METER <br /> I <br />