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. DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONI'T'ORING WELL FIELD LOG 2005 <br /> SAMPLE LOCATION/ MW 5 DATE: 1/11/2005 <br /> PROJECT NAME BENETO TANK LINES#8 ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE T59 1618 <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/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DLA. 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER PLD READING/ODOR NIA FUEL <br />' TOP OF CASING ELEVATION MSLCOLOR GREY <br /> DEPTH TO WATER feet I00t11's 3990 FEET CALC PURGE VOL. 380 GAL <br /> DEPTH OF WELL feet100tWs 63 11 FEET TOTAL VOLUME PURGED 1141 GAL <br /> STANDING WATER COLUMN 2331 FEET DEPTH OF PUMP 61 FEET <br />! FIELD PARAMETERS <br />' TIME CUMULATIVE DRAW PUMPING pH E C TEMP OILP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE T W (GPMIL.PW� (units) (UmMHOS) (Celsius) (Mvolts) (PPI1Tj (N T U) <br /> 0 N/A 5 GPM 698 2473 220 -1083 050 GREY <br /> 380 686 2006 229 -1059 058 " <br /> 761 " " 683 2100 230 -912 056 " <br /> 1141 654 2213 228 -1013 095 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br />' SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 40 17' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br />' WELL LOCATION SEE SITE MAP <br /> REMARKS SHEEN DROPLETS <br /> WEATHER. COLD 1 RAIN WIND NONE <br />' QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STE4MCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL.STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 5806 PJ D <br /> KECK INTERFACE METER TURBIDITY METER <br />