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t <br />' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION 1 MW- 2 DATE: 7/19/2004 <br />' PROJECT NAME DARPETRO,INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1610 <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 4" / 06528 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A NONE <br />' TOP OF CASING ELEVATION MSL COLOR BROWN TO CLOUDY TO CLEAR <br /> DEPTH TO WATER feet 100th's 38 65 FEET CALC PURGE VOL 740 GAL <br /> DEPTH OF WELL feet 100th's 49 99 FEET TOTAL VOLUME PURGED 2221 GAL <br />' STANDING WATER COLUMN 1134 FEET I DEPTH OF PUMP 48 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) l(UmMHOS)l (Celsius) I (Mvolts) (PPM) (N T U) <br />' 0 N/A i GPM 719 1846 229 -106 086 1000+ <br /> 740 4t713 1845 225 -106 051 it <br /> 1481 t, 712 1835 225 -108 049 3408 <br />' 2221 7 13 1824 224 -119 041 8042 <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 68' <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 /> 1FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUMOR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 1 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> 1 SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />