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DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIEF LOG 1999 I ` SAMPLE LOCATION/MW- 8D DATE: 2110199 PROJECT NAME: DELMONTUSTOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 13:06 CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s/I BLANK SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL CONSULTANT: DELMONTELAB,ANALYSIS BY: BSK LABS J. PROJECT MANAGER RICHARD FISH MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 4" / 0.6528 SAMPLE MEDIA: GROUNDWATER P.I.D.READING I ODOR: 0 PPM NONE TOP OF CASING ELEVATI MSL COLOR: LT.GREY TO CLEAR DEPTH TO WATER: (feet.100th's 46.53 FEET' CALC.PURGE VOL.: 61.030272 GAL. DEPTH OF WELL: feet.100th's 140.02 FEET TOTAL VOLUME PURGED: 183 GAL. STANDING WATER COLUMN: 93.49 FEET DEPTH OF PUMP: 134 FEET Z. FIELD PARAMETERS _ .. .. .$:..... + TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. PISSOLVEE TURBIDITY VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D T.W.) (GPMfLPM) (units) (UiMHOS) (Cerus) (Mvolts) (PRM) (N.T.U.) 0 NIA 2.0 GPM 7.93 404 20.6 81 NIA LT.GREY 61 7.53 376 20.4 51 CLEAR 122 7.75 355 20.5 47 " 183 " 7.72 370 20.5 44 PURGE METHOD. 2"GRUNDFOS SUBMERS®LE PUMP SAMPLE METHOD: 1'STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 48.88' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: OVERCAST SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLWG EQUIPMEJVT WAS CLEANED RV THE FIELD W17NA STEAMCLFIWFR&ALCONOX SOAP. NEW NnWLE GLOVES. CONTAINMENT: D.O.T.17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL. Y.S.I.DISSOLVED OXYGEN METER SOLWIST SLOPE METER THERMODINE 580B P.I.D. KE CK H fIERFACE ME ER 3URBIDII'Y NOM