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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2005 <br />' SAMPLE LOCATION/MW 12 DATE: 1/11/2005 <br />' PROJECT NAME BENETO TANK LINES 1I 8 ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 950 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOWS <br />' SITE CONTACT PRESERVATIVES HCL <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 PLD READING/ODOR NIA NONE <br />' TOP OF CASING ELEVATION MSL COLOR GREY <br /> DEPTH TO WATER feet lfflth's 4038 FEET CALC PURGE VOL 303 GAL <br /> DEPTH OF WELL feetlll0th's 58 97 FEET TOTAL VOLUME PURGED 910 GAL <br /> STANDING WATER COLUMN 1859 FEET I DEPTH OF PUMP 56 FEET <br /> FIELD PARAMETERS <br />' • TIME CUMULATIVE DRAW PUMPING pH E C TEMP O RP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (CPMlLPK (units) (UmMHOS) (Celsius) (Mvolts) (PPA) (N T U) <br />' 0 NIA 5 GPM 696 2861 205 1998 101 GREY <br /> 303 1692 2939 209 1776 053 " <br /> 607 to 679 2958 209 1577 058 " <br /> 910 of " 681 2989 204 1455 057 to <br /> 1 <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T.W AFTER PURGE D T W AT SAMPLE TIME 4136' <br /> WELL INTEGRITY CAP&c SEAL ARE SECURE <br /> WELL LOCATION SEE SrM MAP <br /> REMARKS <br /> i WEATHER COLD/RAW WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> F7,ELD WITH A STEAAfCL.EANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DR UM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION YS 13560 R OWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br />' KECK INTERFACE METER TURBIDITY METER <br /> 1 <br /> 1 <br />