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1 <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> IMONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/ MW - 4 DATE: 10/7/2004 <br />' PROJECT NAME DARPETRO,INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1300 <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 FUEL <br />' TOP OF CASING ELEVATION MSL COLOR GREY <br /> DEPTH TO WATER feet 100th's 3883 FEET CALC PURGE VOL 390 GAL <br /> DEPTH OF WELL feet 100th's 6275 FEET TOTAL VOLUME PURGED 1 1 71 GAL <br />' STANDING WATER COLUMN: 2392 FEET I DEPTH OF PUMP 60 FEET <br /> FIELD PARAMETERS <br />' TIME CUMULATIVE DRAW PUMPING _pH E C TEMP OR DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GF]VI11.PM) (uud, (UmMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br />' 0 N/A 5 GPM 732 1546 24 80 034 GREY <br /> 390 It <br /> 730 1525 234 68 031 " <br /> 781 731 1515 235 61 031 " <br />' 1171 730 1511 23 5 57 030 " <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 39 09' <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 DRUM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br />' SOLINIST SLOPE METER THERMODINE 580B P I D <br /> . KECK INTERFACE METER TURBIDITY METER <br />