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DEL-TECH GEOTECHNICAL SUPPORT SERVICES r MONITORING WELL FIELD LOG 1998 SAMPLE LOCATION 1 MW- 8S DATE: 7122198 .... . ... PROJECT NAME: DELMONTE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 18:30 CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s/1 BLANK SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL CONSULTANT: DELMONTE I LAB.ANALYSIS BY: BSK 1 WEST LABS PROJECT MANAGER RICHARD FISHMONUMENT: FLUSH SAMPLER: DEUTECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 4" / 0.6528 SAMPLE MEIDLI J, a GROUNDWATER P.I.D.READING/ODOR: 0 NONE TOP OF CASING EL ATION: MSL COLOR: BROWN TO CLEAR DEPTH TO WATER: (feet.100th's 47.73 FEET CALC.PURGE VOL.: 24.342912 GAL. DEPTH OF WELL: feet.100th's) 85.02 FEET TOTAL VOLUME PURGED: 73.5 GAL. STANDING WATER COLUMN: 37.29 FEET DEPTH OF PUMP: 80 FEET :.:.. ti...:.....:... FIELD PARAMETERS TIME CASING DRAW SUBNIERSI pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY VOLUME DOWN RATE OXYGEN COLOR PERPURGE (D.T.W.) (GPmam (units) (UsMHOS) (Cdd-) (Mvolts) (PPM) (N.T.U.) 0 N/A 2 GPM 7.13 856 22.2 -28 NIA CLEAR 24.5 6.88 876 21.3 -62 " 49 7.05 889 21.4 -64 " " 73.5 7.14 901 21.4 -61 " PURGE METHOD: 2"GRUNDFOS SUBMERSIBLE PUMP SAMPLE METHOD: 1'STAINLESS STM-BAIIER W/STAINLESS STEEL.WIRE LINE D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 52.42' WELL INTEGRITY: CAP&SIAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: CLEAR SKIES WIND: NW5 UALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING E UIPMENT WAS CLEANED IN THE FIELD W MA STF.AMCLFANFR&ALCONOX SOAP. NEW Nr RILE GLOVES. CONTAINMENT: D.O.T.1755 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. INSTRUMENTATION: Y.S.T.3560 FLOWCELL Y.Sl DISSOLVED OXYGEN METER SOLINIST SLOPE NTM THERMODINE 580B P.I.D. CKECK Dn ERFACE MEIER TURBIDOY ME ER