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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION/MW - 7 DATE: 2/21/2002 <br /> PROJECT NAME: DELMONTE-STOCKTON. <br /> ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 110 FILBERT SAMPLE TIME: 14;00 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: KLEINFELDER LAB.ANALYSIS BY: BSK LABS <br /> I <br /> PROJECT MANAGER: TONY MARTIN MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED:: WELL CASING DTA. : 2" / 0.1632 <br /> SAMPLE MEDI GROUNDWATER P.I.D.READING 1 ODOR: NIA LIGHT FUEL <br /> TOP OF CASING ELEVATION: MSL COLOR: LIGHT GREY TO CLEAR <br /> DEPTH TO WATER: feet.100th's 49.91 FEET CALL.PURGE VOL.: 6.18 GAL. <br /> DEPTH OF WELL: feet.100th's 87.80 FEET TOTAL VOLUME PURGED: 19.5 GAL. <br /> STANDING WATER COLUMN: 37.89 FEET DEPTH OF PUMP: 85 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPMILPM) (units) (MsMHOS) (Celsius) (Mvolls) (PPM) (N.T.U.) <br /> 0 NIA .5 GPM 6.86 732 20.7 -67 NIA LT.GREY <br /> �. 6.5 6.65 699 20.8 -66 CLEAR <br /> 13 6.61 681 20.7 -77 " <br /> 19.5 6.53 674 20.8 -79 " <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT.SAMPLE TIME: 52.47' <br /> _ WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> UALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL,STEEL DRUM OR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODME 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: 6 SOIL: 50+ <br />