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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIEF LOG 1998 <br /> f <br /> AMPLE LOCATION/MW- DATE: 9/8/98 <br /> OJECT NAME: CALIFORNIA WELDING SUPPLY. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> DRESS: 1000 EAST 11TH STREET SAMPLE TIME: 13:45 <br /> TY STATE: TRACY,CA. SAMPLE CONTAINERS: 6 CONTAINERS/1 BLANK <br /> TE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/BSK <br /> PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN <br /> DEPTH TO WATER: (feeL100th's) 9.20 FEET CALC.PURGE VOL.: 1.68912 GAL, <br /> DEPTH OF WELL: (feet.100th's) 19.55 FEET TOTAL VOLUME PURGED: 6 GAL. <br /> STANDING WATER COLUMN: 10.35 FEET DEPTH OF PUMP: 14 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMALPM) (units) (UmMHOS) (CeWus) (Mvoits) (PPM) (N.T.U.) <br /> 0 N/A 1 GPM 7.49 1643 22.1 -98 N/A BROWN <br /> 2 7.49 1604 20 -98 " <br /> 4 7.50 1598 19.9 -99 " <br /> 6 7.50 1599 20 -100 " <br /> PURGE METHOD: CENRIFUGAL PUMP. <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAKER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 9.44' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SFE SITE MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WIINA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T.1755 GAL.STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK IN'll"ACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: 5 SOIL: <br /> OCT 14 1999 <br /> HUNTEH & ASSOC <br />