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i <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> I <br /> SAMPLE LOCATION 1 MW - 12 DATE: 10/7/2004 <br /> PROJECT NAMEDARPETRO, INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br />' ADDRESS 749 E CHARTER WAY SAMPLE TIME <br /> - 1733 <br /> CITY,STATE STOCKTON,CA SAMPLECONTAINERS 4 V HCL <br /> SITE CONTACT PRESERVTTIVES <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 _11:7t— WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING 1 ODOR G/SAY MUSTY <br /> TOP OF CASING ELEVATION MSL COLOR <br />' DEPTH TO WATER feet 100th's 40 32 FEET CALC PURGE VOL - 304 GAL <br /> DEPTH OF WELL feet 100th's 58 97 FEET TOTAL VOLUME PURGED 9 13 GAL <br /> STANDING WATER COLUMN 1865 FEET DEPTH OF PUMP 56 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 (DTW) (GPMILPM) (un[ts) (UmMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br />' 0 NIA 5 GPM 737 2370 23 3 120 039 GREY <br /> 4 11 733 2070 23 1 110 034 <br /> 11 <br /> 3 0 <br /> 609 7 34 1990 225 103 067 " <br /> 913 7 35 1998 22 4 100 066 " <br /> I <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFT'ER PURGE D T W AT SAMPLE TIME 40 87' <br />' WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR IHOT 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 DOT 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br />' SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />