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DEL-TECH GEOTECHNICAL SUPPORT SERVICES r MONITORING WELL FIELD LOG 1999 SAMPLE LOCATION/ SVE-SOUTH DATE: PROJECT NAME: DELMONTE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 11:15 CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s/1 BLANK SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL CONSULTANT: DELMONTE LAB.ANALYSIS BY: BSK LABS PROJECT MANAGER RICHARD FISH MONUMENT: NONE SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 2" / 0.1632 SAMPLE MED GROUNDWATER P.I.D.READING/ODOR: NIA GAS TOP OF CASING ELEVATION: MSL COLOR: BROWN TO CLEAR DEPTH TO WATER: (feew100th's) 48.55 FEET CALC.PURGE VOL.: 4.940064 GAL. DEPTH OF WELL: feet l.00th's) 78.82 FEET TOTAL VOLUME PURGED: 15 GAL. STANDING WATER COLUMN: 30.27 FEET DEPTH OF PUMP: 73 FEET FIELD PARAMETERS TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY VOLUME DOWN RATE l— OXYGEN COLOR PERPURGE (D.T.W.) (GPWLPM) (units) (UsMHOS} (Cerus) (Mvwis) (ppm) (N.T.U.) 1 0 NIA 2 GPM 6.85 793 21.4 -56 NIA BROWN 5 6.90 778 21.6 -45 " 10 6.87 773 21.7 -31 LT.BRN. 15 6.86 777 21.7 -52 CLEAR PURGE METHOD: 2"GRUNDFOS SUBMERSIBLE PUMP SAMPLE METHOD: I'STAIM.ESS STEEL BAILER W/STAINLESS STEEL WIRE LINE D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 54.69' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE.SrM MAP. REMARKS: SLIGHT SHEEN. 1 WEATHER: CLEAR SKIES WIND: NW5 QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING E12UIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER do ALCONOX SOAP. NEW NEMILE GLOVES. CONTAINMENT: D.O.T. 1755 GAL,STEEL DRUM OR 60 GAL.POLY ARUM. INSTRUMENTATION: X.S.I.3560 FLOWCELL Y.S.I.DISSOLVED O Y X GEN METER SOLINIST SLOPE METER THERMODINE 580E P.I.D. KECK INTERFACE METER TURBIDITY METER t r