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DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2002 ' SAMPL E LOCATION.I MW �_�� ..�.�6�.... �� . DATE: .' PROJECT NAME: FRONTIER TRUCKINGANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: LARCH ROAD SAMPLE TIME: 8:19 CITY,STATE: TRACY,CA . SAMPLE CONTAINERS: 4 V.O.A.'S& I LITRE ' SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: BLAKELY ENVIRONMENTAL LAB. ANALYSIS BY: SHERWOOD LABS ' PROJECT MANAGER: HIRAM MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 ' SAMPLE MEDIA: GROUNDWATER P.I.D. READING 1 ODOR: NIA NONE TOP OF CASING ELEVAT MSL COLOR: LIGHT BROWN DEPTH TO WATER; feet.100th's 10.82 FEET CALC. PURGE VOL.: 1.39 GAL. DEPTH OF WELL: feet.100th's 19.32 FEET TOTAL VOLUME PURGED: 4.5 GAL. STANDING WATER COLUMN: 8.50 FEET DEPTH OF PUMP: TUBING FEET 1 FIELD PARAMETERS TIME CUMULATIVE DRAW SUBMERSI pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR ' PER PURGE (D.T.W.) (GPMILPM) I (units) (MsMHOS) (Celsius) (Mvults) (PPM) (N.T.U.) 0 N/A .5 GPM 8.01 3330 22.8 120.2 N/A LT. BRN. 1.5 7.62 3573 21.4 124.4 " ' 3 7.54 3643 21.1 113.5 " 4.5 7.49 3664 21.3 95.8 Itit PURGE METHOD: CENTRIFUGAL. ' SAMPLE METHOD: STAINLESS STEEL BAILER. D.T.W.AFTER'PURGE: D.T.W.AT SAMPLE TIME: 13.49' WELL INTEGRITY. CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. ' REMARKS: WEATHER: I CLEAR SKIES. WIND: QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE 1' FIELD WITH A STEA MCL EANER&ALCONOX SOAP. NEW NITRILE GLOVES. CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL. POLY DR UM. 1 INSTRUMENTATION: Y.S.I.556 MULTIPROBE Y.S.I.DISSOLVED OXYGEN METER I SOLINIST SLOPE METER THERMODINE 580B P.I.D. KECK INTERFACE:METER TURBIDITY METER 1