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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW- NP1-80' DATE: 8/7/98 <br /> PROJECT NAME: DELMONTE-STOCKTON ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 110 FILBERT SAMPLE TIME: 10:15 <br /> CITY STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 4 V.O.A.'s <br /> SITE CONTACT: RICHARD FISH PRESERVATIVES: HCL <br /> CONSULTANT: DELMONTE LAB.ANALYSIS BY: SHERWOOD/BSK LABS <br /> PROJECT MANAGER RICHARD FISH MONUMENT: FLUSH <br /> SAMPLER: DELrTECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: ill / <br /> " / <br /> SAMPLE M GROUNDWATER P.I.D.READING/ODOR: NIA GAS <br /> TOP OF CASING E ATION: MSL COLOR: LT.GREY TO CLEAR <br /> DEPTH TO WATER: feet.100th's) 48.86 FEET CALL.PURGE VOL.: 2.5 GAL. <br /> DEPTH OF WELL: ieet.100th's 80.00 BEET TOTAL VOLUME PURGED: 7.5 GAL. <br /> STANDING WATER COLUMN: 31.14 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW SUBMERS pH E.C. TEMP. O.R.P. DISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DT.W.) WNW" (units) (Ux:O:S) (Celsus) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA CHECK 7.58 944 21.7 -128 N/A LT.GREY <br /> 2.5 7.59 948 21.5 -158 " <br /> 5 7.64 948 21.2 -165 " <br /> 7.5 7.63 949 21.1 -169 " " <br /> PURGE METHOD: CHECK BALL PUMP W/DEDICATED TUBING <br /> SAMPLE METHOD: CHECK BALL PUMP W/DEDICATED TUBING <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: N/A <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: GOOD RECHARGE <br /> WEATHER: CLEAR SKIPS W>im: NW5 <br /> `UALrrY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WIPHA STEiMCLFANPR&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTA94MNT: D.D.71755 GAL.STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.L DISSOLVED OXYGEN METER <br /> SOL 4LW SLOPE METER THERMODINB 580B P.I.D. <br /> KECK WrERFACE METER TURBiDII'Y METER <br /> r <br /> I <br />