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• DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> i <br /> SAMPLE LOCATION/MW - 1 DATE: 7117198 <br /> PROJECT NAME: VALLEY WHOLESALE DRUG. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 13:50 <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 VOA'S 1 I BLANK <br /> SITE CONTACT: PRESERVATIVES:I HCL <br /> CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH <br /> SAMPLER: DEL TECH WELL CASING MATERIAL PVC <br /> SIGNED: k, XN%A, WELL CASING DIA.: 2" / 0.1632 <br /> SAMPLE MEDIA GROUNDWATER P.I.D.READING/ODOR: 274 GAS <br /> TOP OF CASING ELE TION: MSL COLOR: BLACK TO CLEAR <br /> DEPTH TO WATER: teet.lWth's 6.96 FEET CALC.PURGE VOL.: 2.976768 GAL, <br /> DEPTH OF WELL: OL100th's) 25.20 FEEL' TOTAL VOLUME PURGED: 9 GAL. <br /> STANDING WATER COLUMN: 18.24 FEEL' DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> .. <br /> . TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPMII.PM) (units) (UmMHOS) (Cetsius) (MYOlts) (PPM) (N.T.U.) <br /> 0 NIA 1 GPM 6.84 2030 24.5 -148 NIA BLACK <br /> 3 6.98 1935 22.8 -120 " <br /> 6 7.05 1680 22.5 -100 CLEAR <br /> 9 7.07 1659 22.6 -115 " <br /> 12 7.07 1658 22.6 -118 " <br /> PURGE METHOD: CENRIFUGAL PUMP. <br /> SAMPLE METHOD: F STAINLESS STEM.BAILER W/STAINLESS STEEL.WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 7.05 <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER do ALCONOX SOAP, NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.B60 FLOWCELL Y.S.L DISSOLVED OXYGEN MEIM <br /> SOLINIST SLOPE ME7TFR THERMODINE 5$011 P.I.D. <br /> KECK INTERFACE MEIER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: 5 SOIL: <br />