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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 2 . DATE: 7116199 <br /> PROJECT NAME: DELMON'TE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 110 FILBERT' SAMPLE TIME: 11:49 <br /> CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s/1 BLANK <br /> SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL <br /> CONSULTANT: DELMONTE LAB.ANALYSIS BY: BSK LABS <br /> PROJECT MAIWAGER RICHARD FISH MONUMENT: FLUSH <br /> SAMPLER: DEGTECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" / 0.1632 <br /> j SAMPLE ME • GROUNDWATER P.I.D.READING]ODOR: 45 PPM GAS <br /> TOP OF CASING E VATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100th's) 44.96 FEET CALC.PURGE VOL.: 6.847872 GAL. <br /> DEPTH OF WELL: (feet.100th's) 86.92 FEET TOTAL VOLUME PURGED: 21 GAL. <br /> STANDING WATER COLUMN: 41.96 FEET DEPTH OF PUMP: 81 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPM/LPM) (Units) (UsMHOS) (Cdd-) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA 1 GPM 7.54 : 644 23.3 13 NIA CLEAR <br /> 7 7.45 635 23.4 -20 <br /> 14 „ 7.50 640 23.3 -25 <br /> 21 7.48 650 23.2 -27 <br /> X. <br /> } <br /> PURGE METHOD: 2"GRUNDFOS.STAINLESS STEEL SUBMERSIBLE PUMP. <br /> SAMPLE METHOD: I'STAINLESS STEEL BAILER W/STAINLESS STEEL.WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 47.32' <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 EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP. NEW NTIRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL STEEL DRUM OR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METIM <br /> SOLINIST SLOPE METER TIIERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> I <br />