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a.. DEL-TECH GEOTECHNICAL SUPPORT SERVICES +-. MONITORING WELL FIELD LOG 2006 L• SAMPLE LOCATION/MW- 3 DATE: 3/21/2006 PROJECT NAME: FORMER MANNA PRO SITF ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 4004 S. EL DORADO ST. SAMPLE TIME: 15:19 CI'T'Y STATE: STOCKTON.CALIF. SAMPLE CONTAINERS: 2 VOA'S SITE CONTACT: PRESERVATIVES: IJCL CONSULTANT: GEO-PHASE ENVIRONMENTAL LAB.ANALYSIS BY: CASTLE PROJECT MANNAGE STEVE LANKFORD MONUMENT: FLUSH SAMPLER: DEI,-TECH/DON LIGHT WELL CASING MATERIAL: PVC La SIGNED: WELL CASING DIA.: 4" / 0.6528 SAMPLE MEDIA: GROUNDWATER P.I.U.READING/ODOR: NIA MUSTY TOP OF CASING ELEVATION: MSL COLOR: GREY DEPTH TO WATER: (feet.100th's) 31.65 FEET CALL.PURGE VOL.: 11.93 GAL. t,... DEPTH OF WELL: feet.100th's 49.92 FEET TOTAL VOLUME PURGED: 35.78 GAL. STANDING WATER COLUMN: 18,27 FEET DEPTFI OF PUMP: 48 FEET FIELD PARAMETERS TIME CUMULATIVE DRAM' PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE; OXYGEN COLOR 1.. PER PURGE (D.T.W.) (GPMILPM) (units) (UsNIHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) 0 NIA 1.0 GPM 8.15 1821 20.3 -97 0.26 GREY 11.93 8.15 1807 20.4 -135 0.27 " 23.85 8.15 1825 20.4 -159 0.26 " 35.78 8.15 1874 20.4 -169 0.32 " rr PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AFTER PURGE: D.T.W,AT SAMPLE TIME: 32.40' �+ WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK INSTALLED. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: OVERCAST/WARM. WIND: NW5 QUALITY CONTROL: ALL PURGING EOUIPMENTAND SAMPLING E0UifA4FNT W,4S CLEANED IN THE FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILEGLOVES. CONTAINMENT: D.O T. 1755 GAL.STEEL DRLIM OR 60 GAL.POLY DRUM. V INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE MI~TFR THERMODINE 580B P.LD. y KECK INTERFACE METER TURBIDITY METER 6..