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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' - MONITORING WELL FIELD LOG 2005 <br />' SAMPLE LOCATION/MW 10 DATE. 1/11/2005 <br />' PROJECT NAME BENETO TANK LINES#8 ANALYSIS PERFORMED SEI-CHAIN OF CUSTODY <br /> ADDRESS 749 F CHARTER WAY SAMPLE TIME 1039 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOA'S <br /> SITE CONTACT PRESERVATIVES HCI <br />' CONSULTANT CALIFORNIA GEOPHYSICAL LAB.ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br />' SAMPLER DEI.TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA. 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P LD READING/ODOR N/A FUEL <br /> TOP OF CASING ELEVATION MSL COLOR GREY <br />' DEPTH TO WATER feet 100th's 38 26 FEET CALC PURGE VOL. 423 GAL <br /> JDEPTHOFWELL feek I00th's 6420 FEET TOTAL VOLUME PURGED 1270 GAL <br /> STANDING WATER COLUMN 2594 FEET DEPTH OF PUMP 62 FEET <br />' FIELD PARAMETERS <br /> t TIME C'TIM AATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE T W) (GPMlLPW (units) (JMMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 704 1518 196 -662 049 GREY <br /> 423 " 704 1440 201 -1032 041 " <br /> 847 701 1432 1 202 -1081 058 " <br /> 1270 704 1436 1 202 -1192 039 " <br /> I <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 42' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br />' WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER COLD/RAIN WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS Cf.E MED IN THE <br /> FIELD WITHA STF-4MCLE4NER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT 17 55 GAL STEEL DRUM OR 60 CvV—POLYDRUM <br />' INSTRUMENTATION YS I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I.D <br /> KECK INTERFACE METER TUMMITY METER <br />