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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2005 <br /> SAMPLE LOCATION/MW s DATE. 316/2005 <br />' PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1 l 55 <br />' CITY,STATE TRACY CA SAMPLE CONTAINERS 4 V O A'S <br /> SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT BEA INCORPORATED LAB ANALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED '' WELL CASING DIA 2" / 01632 <br />' SAMPLE MEDIA GROUNDWATER P I D READING 1 ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSL COLOR BROWN <br /> DEPTH TO WATER (feet IOOth's) 1072 FEET CALC PURGE VOL 1 36 GAL <br /> DEPTH OF WELL (feet IOOth's) 1914 FEET TOTAL VOLUME PURGED 407 GAL <br />' STANDING WATER COLUMN — 832 FEET DEPTH OF PUMP 19 FEET <br /> FIELD PARAMETERS <br />' TIME cUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GP%VLP'1M) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 1039 4454 199 2254 087 BROWN <br /> 1 36 1079 4559 200 2475 082 <br /> 272 1088 4842 232 2706 1 07 " <br />' 407 1094 4708 21 7 2810 1 65 " <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 14 01' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> tWEATHER COLD/OVERCAST WIND <br /> QUALITY CONTROL ALL PURGI,NIG EOLL1FVEVT AND SAMPLING EOUIPVIErVT W4S CLE-INED IN THE <br /> FIELD IVITHA STE4 iICLF-4NER&A LCONOA SO4P VEW VITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLYDRU1f <br /> INSTRUMENTATION Y S 1556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINF 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> I <br />