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DEL-TECHGEOTECHNICALSUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION 4 DATE: 1 21 20/99 <br /> PROJECT NAME: SINCLAIR TRUCKING ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 2780 LRqNE ROAD SAMPLE TIME: 10:39 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS: 4 V.O.A.'s/ I BLANK <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECEMCS,INC. LAB.ANALYSIS BY: BSK LABS <br /> ............. <br /> PROJECT MANAGER RAY OR NIUM MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" 0.1632 <br /> --SA-MPL-E-MHDI-A-:k3 GROUNDWATER— -P.-rD.-READING7t-ODOR.—NtA—GAS <br /> — <br /> TOP OF CASING ELEVON: MSL COLOR: BROWN <br /> DEPTH TO WATER: (feeL100th's) 12.58 I= CALC.PURGE VOL.: 1.25664 GAL. <br /> DEPTH OF WELL: (feetlooth's) 20.28 FEET TOTAL VOLUME PURGED: 4.5 GAL. <br /> STANDING WATER COLUMN: 7.70 FEET I DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> ............... ........ <br /> ............... <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVEIC TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMILPK (units) (UrMIFIOS) (CeWus) (Mvolts) (Ppm) (N.T.U.) <br /> 0 N/A .50 GPM 7.34 1629 20.4 65 N/A BROWN <br /> 1,5 7.39 1631 20.7 56 <br /> 3 7.39 1635 20.5 46 <br /> 4.5 7.40 1637 20.7 44 <br /> .............. <br /> PURGE METHOD: CENTRIFUGAL PUMP/1/2"DEDICATED TUBING <br /> SAMPLE METHOD: I'STAINLESS STEEL BAILER. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 14.74' <br /> WELL INTEGRITY; CAP&SEAL ARE SECURE. AMERICAN LOCK IS INSTALLED. <br /> WELL LOCATION: SEE SnE MAP. <br /> REMARKS: <br /> WEATHER- CLEAR SKIES, WIND:' NW5 <br /> QUALITY CONTROL; ALL PURGING EQUIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE <br /> FIELD WITH AnTAffCLEA)VEW&ALC0N0XSOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T.17 55 GAL.STEEL DR um OR 60 GAL.POLY DR um. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.L DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBrDrFY Nf= <br /> L <br />