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i • DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2003 SAMPLE LOCATION 1 MW - 2 DATE: 11/25/2003 ' PROTECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY ADDRESS: FsREMONT STREET SAMPLE TIME: 13:59 CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S ' SITE CONTACT: PAUL SOUVA PRESERVATIVES: HCL CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS PROTECT MANAGER. ERIC PRICE MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 ' SAMPLE MEDIA: U ROUNDWATER P.I.D.READING/ODOR: NIA NONE TOP OF CASING ELEVATION- MSL COLOR: LIGHT BROWN TO CLEAR DEPTH TO WATER: (feet.100th's) 9.37 FEET CALC:PURGE VOL.: 2.61 GAL. DEPTH OF WELL: (feet.100th's) 25.38 FEET TOTAL VOLUME PURGED: 7.84 GAL. ' STANDING WATER COLUMN 16.01 FEET DEPTH OF PUMP 23 FBE' FIELD PARAMETERS TIME CUMULATIVE DRAW PUMPING pH E. C. TEMP, O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR ' PERPURGE (D.T.W.) (GPWLPM) (units) l (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.IJ.) 0 NIA .5 GPM 1 7.71 920 21.5 -83.6 1.43 LT. BROWN 2.51 7.78 883 21.3 -82.6 1.53 CLEAR 5.23 7.80 868 20.9 -82.9 ' 7.84 7.79 875 21.1 -78.4 1.48 >; PURGE METHOD: DEDICATED WATERRA PUMP, SAMPLE METHOD: DEDICATED TUBING. ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 11.38' WELL INTEGRITY: CAP&.SEAL SECURE. LOCK INSTALLED. W ELL IA CATION: ' REMARKS: WEATHER: OVERCAST/RAINY: WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE ' FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. INSTRUMENTATION: Y.S.I.3560RLOWCELL Y.S.T.DISSOLVED OXYGENMETER SOLINIST SLOPE METER THERMODINE 580B P.LD. KECK INTACE METER TURBIDITY METER #OF DRUMS ON SIGHT: WATER: SO.II-: