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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> IFSAMPLE LOCATION MW - 2 DATE: 12/20/99 <br /> r PROJECT NAME: SINCLAIR TRUCKING ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 2780 LFqNE ROAD SAMPLE TIME: 9:22 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS: 4 V.O.A.'s/ I BLANK <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS,INC., LAB.ANALYSTS BY: BSK LABS <br /> 1 x <br /> PROJECT MANAGER RAY OR MIKE MONUMENT: FLUSH <br /> SAMPLER- DEL-TECH WELL CASING MATERIAL PVC <br /> -SIGNED:— —WELL-CASING-DIA--:-TLJ-0,1632— - <br /> SAMPLE MEMGROUNDWATER P.I.D.READING/ODOR: NIA NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN TO CLEAR <br /> DEPTH TO WATER: (feeL100th's) 12.09 FEET CALC.PURGE VOL.: 1.2648 GAL. <br /> DEPTH OF WELL: (feeL100th's) 19.84 FEET TOTAL VOLUME PURGED: 4.5 GAL. <br /> STANDING WATER COLUMN: 7.75 FEET DEPTH OF PUMP: N/A FEET <br /> ...................... <br /> .......... .. ... .......... <br /> FIELD PARAMETERS <br /> TIME cAsiNG DRAW PING pH E.C. TEMP. O.R.P. DISSOLVEE TURBIDITY <br /> --[PUMPING <br /> (ppm) <br /> VOLUME DOWN OXYGEN COLOR <br /> PERPURGE (D.T.W.) fLpw (units) (UsMHOS) (Celsius) (Mvolts) (N.T.U.) <br /> 0 N/A .50 GPM 7.31 1605 19.7 224 N/A BROWN <br /> 1.5 7.34 1612 20.9 208 11 <br /> 3 7.37 1626 20.9 160 CLEAR <br /> 4.5 7.35 1650 21.3 148 <br /> PURGE METHOD: CENTRIFUGAL PIJW 1/2"DEDICATED TUBING <br /> SAMPLE METHOD: I'STAINLESS STEEL BAILER. <br /> D.T.W.AFTER PURGE- D.T.W.AT SAMPLE TIME: 14.64' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK IS INSTALLED. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. w1m. NW5 <br /> QUALM CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WrFRA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES. <br /> CONTAINMENT: D.Q.T 1755 GAL STEEL DRUM OR 60 GAL POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMOD111-M 580B P.I.D. <br /> KICK INTERFACE METER TURBIDITY Nffi7rER <br />