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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2005 <br />' SAMPLE LOCATION/MW 7 DATE: 1/11/2005 <br />' PROJECT NAME BENETO TANK LINES 118 ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIMIE 1253 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOLAS <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 /> SIGNEDWELL CASING DIA. 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P LD READING/ODOR N/A FUEL <br />' TOP OF CASING ELEVATION MSLCOLOR GREY <br /> DEPTH TO WATER feet.100th's 3861 FEET CALC PURGE VOL 400 GAL <br /> DEPTH OF WELL feet 100th's 63 11 FEET TOTAL VOLUME PURGED 1200 GAL <br /> STANDING WATER COLUMN 2450 FEET DEPTH OF PUMP 61 FEET <br />' FIELD PARAMETERS <br />' TIME CUMMATIVE DRAW PUMPING pH I E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM/LP111) (units) (U-MHOS) (Celsws) (Mvolts) (PPM) (N T U) <br />' 0 N/A 5 GPM 689 1624 216 -1206 117 GREY <br /> 400 " 699 1489 214 -1568 049 <br /> Soo 699 1501 215 -1685 043 " <br /> 1200 " 698 1508 216 -1629 042 " <br />' PURGE METHOD- DEDICA'T'ED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 39 20' <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 E LIIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STF"CLEANER&ALCONOX SOAP NEW NITRILE GLOVFS <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S 1 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER 7LIERMODINE 5908 P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br /> i <br /> 1 <br />