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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 8 DATE: 3/31/98 <br /> PROJECT NAME: INDEPENDENT TRUCKING. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1145 WEST CHARTER WAY SAMPLE TIME: 14:49 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 5 CONTAINERS & 1 B.B. <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH <br /> SAMPLER: DELTECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: 72 SEPTIC <br /> TOP OF CASING ELEV ON: MSL COLOR: CLEAR <br /> DEPTH TO WATER: leeL100th's) 13.19 FEET CALC.PURGE VOL.: 3.583872 GAL. <br /> DEPTH OF WELL: (feeL100th's) 35.15 FEET TOTAL VOLUME PURGED: 12 GAL. <br /> STANDING WATER COLUMN: 21.96 FEED DEPTH OF PUMP: 34 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 /> PERPURGE (D.T.W.) (GPM/LPM) (units) (MSMHOS) (Celsius) (Mwlis) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 6.95 1175 19 -100 N/A CLEAR <br /> 4 7.02 1191 19 -108 " <br /> 8 7.03 1212 19.3 -115 <br /> 12 7.03 1208 19.2 124 <br /> PURGE METHOD: PURGER PUMP. <br /> SAMPLE METHOD: P STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 14.24' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SFE SITE MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: OVERCAST SKIES. WIND: <br /> QUALITY CONTROL: ALL PURGING E UIPMEVT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEIMCLEINER&ALCONOX SOAP. NEW NUBILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL STEEL DRUM OR 60 GAL POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE MECII2 THERMODINE 580B P.I.D. <br /> • KECK IN=ACE METER TURBIDITY METER <br />