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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION 1 MW - 4 DATE: 5/20/ss <br /> PROJECT NAME: DELMONF&STOCKTON ANALYSIS PERFORMED: T.B.A. <br /> ADDRESS: 110 FILBERT SAMPLE TIME: 13:20 <br /> CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 3 V.O.A.'s <br /> SITE CONTACT: RICHARD FISH PRESERVATIVES: HCl. <br /> CONSULTANT: DELMONTE I LAB.ANALYSIS BY: BSK 1 WEST LABS <br /> PROJECT MANAGER RICHARD FISH MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" 1 0.1632 <br /> SAMPLE MEDIA GROUNDWATER P.I.D.READING/ODOR: NIA NONE <br /> TOP OF CASING ELEV ON: MSL COLOR: BROWN TO CLEAR <br /> DEPTH TO WATER: (feet.100th's) 49.82 FEET CALC.PURGE VOL.: 6.49536 GAL. <br /> DEPTH OF WELL: (feet.100th's) 89.62 FEET TOTAL VOLUME PURGED: 19.5 GAL. <br /> STANDING WATER COLUMN: 39.80 FEET DEPTH OF PUMP: 84 FEET <br /> FIELD PARAMETERS <br /> i TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMILPM) (units) (UsMIfOS7 (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 13:00 0 NIA 1.8 GPM 7.48 684 21 100 NIA BROWN <br /> 13:05 6.5 7.57 673 21.2 80 LT. SRN. <br /> 13:10 13 7.53 677 20.9 84 CLEAR <br /> 13:15 19.5 7.61 670 21 80 " <br /> PURGE METHOD: 2"GRUNDFOS SUBMERSIBLE PUMP <br /> SAMPLE METHOD: 1'STAINLESS STEEL BARER W/STAINLESS STEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER, CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLAWCEU Y.S.I,DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THEWODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> C <br />