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' I DEL—TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2001 s' ... .......... .... .... .. E SAMPLE LOCATION/MW— NP-1-90 DATE: 3122101 PROJECT NAME: DELMONTE-STOCKTON. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 110 FILBERT SAMPLE TIME: 15:57 CITY,STATE: STOCKTON,CA, SAMPLE CONTAINERS: 4 V.O.A.'S SITE CONTACT: PRESERVATIVES: HCL CONSULTANT: DELMONTE LAB.ANALYSIS BY: BSK LABS . ... ........ PROJECT MANAGER: RICHARD FISH MONUMENT: FLUSH SAMPLER: DEL-TECH WELL,CASING MATERIAL: PVC SIGNED: WELL CASING DIA:: V / 0.0816 SAMPLE MEDIA GROUNDWATER P.I.D.READING/ODOR: N/A GAS TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN TO CLEAR DEPTH TO WATER: (fect.100th's) 44.79 FEET CALC. PURGE VOL.: 3.69 GAL. DEPTH OF WELL: (fect.100th's) 90.00 FEET TOTAL VOLUME PURGED: 9 GAL. STANDING WATER COLUMN 45.21 FEET DEPTH OF PUMP: 87 FEET �yy�t1 FIELD PARAMETERS -M TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) (GPMILPM) (units) (MsMIIOS) (Celsius) (Mvolts) (PPM) (N.T.U.) 0 N/A l GPM 7.19 642 21.1 -71 NIA LT. BRN. 4 7.11 635 21 -60 " 8 7.06 625 20.8 -52 CLEAR 12 7.42 641 20.9 -43 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 64.77' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS-. WEATHER: CLEAR SKIES. WIND: QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. CONTAINMENT: D.0.T. 17 55 GAL.STEEL DRUM OR 60 GAL.POL Y DR UM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 58013 P.I.D. KECK INTERFACE METER TURBIDITY METER