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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> _.� MONITORING WELL FIELD LOG 1998 <br /> -a <br /> SAMPLE LOCATION/MW- 7 DATE: 3118198 <br /> PROJECT NAME: C&B EQUIPMENT. ANALYSIS PERFORMED: TPH-G.B.T.E.X.,MTBE <br /> ADDRESS: 7474 WEST 11TH ST- SAMPLE TIME: 16:58 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 2 V.O.A.'S& 1 BLANK <br /> rc� SITE CONTACT: FRANK COEHLO PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER MIKE 1 RAY MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> i <br /> -� SIGNED: WELL CASING DLA.: 2" / 0.1632 <br /> SAMPLE ME : 1 GROUNDWATER P.I.D.READING 1 ODOR: NIA NONE <br /> 'F TOP OF CASING ELEVATION: MSL COLOR: LT.BROWN TO CLEAR <br /> =:1 DEPTH TO WATER: (feet100th's) 6.02 FEET CALC.PURGE VOL.: 2.167296 GAL. <br /> DEPTH OF WELL: (feet100fh's) 19.30 FEET TOTAL VOLUME PURGED: 7.5 GAL. <br /> STANDING WATER COLUMN 13.28 FEET DEPTH OF PUMP NIA FEET <br /> J <br /> FIELD PARAMETERS <br /> TIME CALCULATED DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVEID TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPMILPK (units) (MsMHOS) (CcLiFius) (Mvolts) (ppw (N.T.U.) <br /> 16:10 0 NIA 2 GPM 7.51 2.64 18.5 23 NIA LT.BRN. <br /> 16:12 2.5 " " 7.67 2.79 19.4 18 " <br /> 16:14 5 " " 7.54 2.79 19.2 17 " CLEAR <br /> 16:16 7.5 7.38 7.54 2.8 19.3 12 " <br /> 77 <br /> ..... <br /> :s PURGE METHOD: CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: T STAR4LESS STFR,BAILER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TDdE: 6.11' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK INSTALLED. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> r! <br /> WEATHER: OVERCAST SKIES. WIND: CALM <br /> QUALITY CONTROL: ALL PURGING EQ UIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WIPHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL POLY DR UM. <br /> f <br /> { INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> i SOLINTST SLOPE METER THERMODINE 580B P.I.D. k <br /> KECK INTERFACE METER TURBID7Y MEIER <br />