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DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING .WELL FIELD LOG 1999 SAMPLE LOCATIONA..... !MW - 4 -DATE. 7/15/99 PROJECT NAME: DELMONTE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 10:40 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 77 ,. PROJECT MANAGER RICHARD FISH MONUMENT: FLUSH SAMPLER: DE1rTECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA.: 2" / 0.1632 SAMPLE MEDLU GROUNDWATER P.I.D.READING/ODOR: 0 PPM NONE TOP OF CASING ELE ATION: MSL COLOR: BROWN TO CLEAR DEPTH TO WATER: ReeL100th's) 45.48 FEET CALC.PURGE VOL.: 7.203648 GAL. DEPTH OF WELL: feet lWth's) 89.62 FEET TOTAL VOLUME PURGED: 22.5 GAL. STANDING WATER COLUMN: 44.14 FEET DEPTH OF PUMP: 84 FEET FIELD PARAMETERS TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVEE TURBIDITY VOLUME DOWN RATE OXYGEN COLOR PERPURGE (D.T.W.) (GPMILP14n (units) Nsl ao:5) (Celsius) (M-its) (PPM) (N.T.U.) l 0 N/A 1 GPM 7.65 526 22.2 1 352 NIA BROWN l 7.5 7.54 513 21.9 1 343 LT.BRN. I 15 7.54 522 22.4 1 332 CLEAR ti 22.5 7.45 515 22.2 1 329 " PURGE METHOD: 2"GRUNDFOS SUBMERSIBLE PUMP SAMPLE METHOD: ISTAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 46.1.2' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: CLEAR SKIES. WIND: NW5 UALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITHA STEAMCLEANER&AL.C'ONOX SOAP. NEW NITRILE GLOVES. CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. INSTRUMENTATION: Y.S.T.3560 FLOWCUL X.S.I.DISSOLVED OXYGEN NffiTER SOLINISi'SLOPE METER THERMODINE 584E P.I.D. KECK INTERFACE METER TURBIDTrY METER I