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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 1 DATE: 211199 <br /> PROJECT NAME: VALLEY WHOLESALE DRUG. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 11:40 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 2 VOA'S I 1 BLANK <br /> SITE CONTACT: I PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES I LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" 1 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.LD.READING/ODOR: 880 GAS <br /> TOP OF CASING EL VA N: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100th's) 7.56 FEET CALL.PURGE VOL.: 2.878848 GAL, <br /> DEPTH OF WELL: (feeG100th's) 25.20 FEET TOTAL VOLUME PURGED: 9 GAL. <br /> STANDING WATER COLUMN: 17.64 FEET I DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> TIME CASINO DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVEE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMlLPW (units) (U=MHOS) (Cdd") (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .5 GPM 6.95 1942 19.9 -174 NIA CLEAR <br /> 3 6.97 1683 21 -196 <br /> 6 7.06 1551 21.4 -183 <br /> 9 7.07 1547 21.4 -140 <br /> PURGE METHOD: CENRIFUGAL PUMP. <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAII.ER W/STAINLESS STEEL.WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 7.58' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SrM MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: OVERCAST SKIES. WIND: NWS <br /> QUALITY CONTROL: ALL PURGING E2 UIPMENT AND SAMPLING EQ UIPMF.NT WAS CLEANED IN THE <br /> FIELD WTTHA STEAMCLE4NER do ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T.17 55 GAL STEEL DRUM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCECL Y.S.L DISSOLVED OXYGEN METER <br /> SOLINISP SLOPE MEIFR THERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY ME11M <br /> #OF DRUMS ON SIGHT: WATER: 5 SOIL: <br /> F77 N <br /> MAR 1 1 1999 <br /> HUNTF-H & ASSOC <br />