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i i • DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2006 SAMPLE LOCATION 1 MW - 8B DATE: 3/20/2006 PROJECT NAME: CUTTER LUMBER ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 3430 S. ELDORADO SAMPLE TIME: 8:34 CITY,STATE: STOCKTON,CALIF. SAMPLE CONTAINERS: 2 VOA'S SITE CONTACT: PRESERVATIVES. HCL CONSULTANT: G£0-PHASE ENVIRONMENTAL LAB.ANALYSIS BY: CASTLE PROJECT MANAGER: STEVE LANKFORD MONUMENT: FLUSH SAMPLER: DEL-TECH 1 DON LIGHT WELL CASING MATERIAL: PVC SIGNED: WELL CASING DIA.: 2" 1 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D. READING/ODOR: N/A STRNG.FUEL TOP OF CASING ELEVATION: MSL COLOR: GREY DEPTH TO WATER: fect.100th's 30.36 FEET CALC. PURGE VOL.: 2.51 GAL. DEPTH OF WELL: feet.100th's 45.73 FEET I TOTAL VOLUME PURGED: 7.53 GAL. STANDING WATER COLUMN: 15.37 FEET DEPTH OF PUMP: 45 FEET ' FIELD PARAMETERS TIME CUMULATIVE DRAW SLJBMERSTI pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY ' CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) ((.PDVLP69) (units) (UsMH05) (Celsius) (Mvolls) (PPM) (N.T.U.) 0 NIA .5 GPM 7.84 1928 20.0 13.0 1.1 GREY ' 2.51 ii 7.83 1880 19.8 -2.0 0.69 5.02 7.83 1896 19.9 4.0 0.74 7.53 7.85 1931 20.8 -9.0 0.86 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 30.83' WELL INTEGRITY: CAP&SEAL ARE SECURE_ AMERICAN LOCK INSTALLED. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: OVERCAST IRAINY_ WIND: NW5 QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER d ALCONOX SOAP, NEW NITRILE GLOVES CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUMOR 60 GAL.POLY DRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 580B P.I.D. KECK INTERFACE METER TURBIDITY METER