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W77mw DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2005 SAMPLE LOCATION/MW - 9 DATE: 9/19/2005 ' PROJECT NAME: CUTTER LUMBER ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 3430 S.EL DORADO SAMPLE TIME: 11:00 ' CITY,STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 2 VOA'S SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: GEO-PHASE ENVIRONMENTAL LAB.ANALYSIS BY: SHERWOOD ' PROJECT MANAGER: STEVE LANKFORD MONUMENT: FLUSH SAMPLER: DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC SIGNED:- I WELL CASING DIA. : 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: NIA FUEL TOP OF CASING ELEVATION: MSL COLOR: GREY DEPTH TO WATER: (fect.100th's) 34.86 FEET CALC.PURGE VOL.: 1.67 GAL. DEPTH OF WELL: (feet.l00th's) 45.10 FEET TOTAL VOLUME PURGED: 5,01 GAL. ' STANDING WATER COLUMN: 10.24 FEET DEPTH OF PUMP: 44 FEET FIELD PARAMETERS TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR ' PER PURGE (D.T1W,) (GPA9lLPIYI) (units) (UsNiHOS) (Celsius) (&irolts) (PPM) (N.T.U) 0 NIA .5 GPM 7.43 2615 21.6 -35.3 1.32 GREY 1.67 117.30 2375 21.3 -31.3 0.67 " 3.34 7.19 2368 21.2 -31.9 1.54 " ' 5.01 7.14 2364 21.4 -36.9 0.42 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AFTER PURGE: . D.T.W.AT SAMPLE TIME: 37.43' WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK INSTALLED. WELL LOCATION: SEE SITE MAP. REMARKS: ' WEATHER: CLEAR/HOT WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENT RHD SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD 07TH A STE MCLEANER&ALCOHOX SOAP. NEW NITRILE GLOVES. ' CONTAINMENT: D.0.7: 17 55 GAL.STEEL DRUM OR 60 GAL.POLY DRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE.METER THERMODINE 580E P.I.D. KECK INTERFACE NIETER TURBIDITY METER