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' 01ZL--TECH Tom. DEL-TECH GEQTECHNICAL SUPPORT SERVICES -= MONITORING WELL FIELD LOG 2005 SAMPLE LOCATION/MW- 7 DATE: 3/17/2005 ' PROJECT NAME: CUTTER LUMBER ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 3430 S.EL DORADO SAMPLE TIME: 10:15 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: WELL CASING DIA.: 2" / 0.1632 ' SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A FUEL TOP OF CASING ELEVATION: MSL COLOR: LIGHT GREY DEPTH TO WATER: (feet.100th's) 31.46 FEET CALC.PURGE VOL.: 2.21 GAL. DEPTH OF WELL: (feet.100th's) 45.00 FEET TOTAL VOLUME PURGED: 6.63 GAL. ' STANDING WATER COLUMN: 13.54 FEET DEPTH OF PUMP: 44 FEET . FIELD PARAMETERS ' TIME CUMULATIVE DRAW SUBMERSI pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) (GP..M/L.PM) (units) (USMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) 0 N/A .5 GPM 10.80 1162 19.7 6.9 0.89 LT.GREY 2.21 " 10.80 1123 20.3 3.2 0.62 " 4.42 10.80 1137 20.3 -2.3 0.55 " ' 6.63 " 10.60 1343 20.4 -0.2 0.36 " ' PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 34.25' WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK INSTALLED. WELL LOCATION: SEE SITE MAP, REMARKS: FLOATING PRODUCT. WEATHER: COLD/RAIN WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER&ALCONOX SOAP, NEW NITRILE GLO IBES. CONTAINMENT: D.0.T, 1755 GAL.STEEL DRUM OR 60 GAL.POLY DRUM. INSTRUMENTATION: Y.S.L 3560 FLOWCBLL Y.S.I.DISSOLVED OXYGEN METER ' SOLINIST SLOPE METER THERMODINE 580B P.I.D. KECK INTERFACE METER TURBIDITY METER I