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DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2001 :.:.:.:.:W:;:,:;:: .:_:.:.:.5:.:.:,::: ::�.=:.'DATE:.:'':.: SAMPLE LOCATION 1 M 12/11/2001 ..................... ............................................ .. ... ' PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: FREMONT STREET SAMPLE TIME: 15:56 CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'s ' SITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD LABS ..... ................... ' PROJECT MANAGER: BILL HUNTER MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC SIGNED: a WELL CASING DIA. : 2" 1 0.1632 SAMPLE MEDIA GROUNDWATER P.I.D.READING I ODOR: N/A NONE ' TOP OF CASING ELE TION: MSL COLOR: LIGHT BROWN TO CLEAR DEPTH TO WATER: feet.100th's 8.40 FEET CALC.PURGE VOL.: 3.52 GAL. DEPTH OF WELL: feet.100th's 29.98 FEET TOTAL VOLUME PURGED: 10.5 GAL. STANDING WATER COLUMN: 21.58 FEET DEPTH OF PUMP: N/A FEET FIELD PARAMETERS .. TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. IDISSOLVEDI TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR ' PER PURGE (D.T.W.) (GPM/[.Pfq) (units) (UMHOS) (Celsius) (Mvolts)-t- (PPM) (N.T.U.) 0 N/A .5 GPM 7.53 873 22.7 -28 N/A LT.$RN. 3.5 " " 7.45 816 21.8 -22 It CLEAR ' 7 7.41 822 21.$ -24 10.5 7.40 820 21.8 -23 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED TUBING. ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 14.57' i WELL INTEGRITY: CAP&SEAL ARE SECURE. LOCK INSTALLED. WELL LOCATION: ' REMARKS: WEATHER: CLEAR SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES, CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLWIST SLOPE METER THERMODINE 580E P.I.D. KECK INTERFACE METER TURBIDITY METER #OF DRUMS ON SIGHT: WATER: SOIL: