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DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2003 ' SAMPLE LOCATION 1 MW- 101 DATE: 2/14/2003 PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: FREMONT STREET SAMPLE TIME: 15:26 CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S SITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL&TSP ' CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH ' SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: NIA MUSTY ' TOP OF CASING ELEVATI MSL COLOR: GREY DEPTH TO WATER: (feet.100th's) 8.28 FEET CALC.PURGE VOL.: 5.37 GAL. DEPTH OF WELL: feet.100th's) 41.19 FEET TOTAL VOLUME PURGED: 16.5 GAL. STANDING WATER COLUMN: 32.91 FEET DEPTH OF PUMP: N/A FEET FIELD PARAMETERS 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) (UMHOS) (Celsius) (Mvoits) (P'PM) (N.T.0 J 0 NIA .5 GPM 7.84 1104 21.2 -114 0.67 GREY 5.5 " 7.85 1029 19.8 -98.8 0.53 " ' I1 „ 7.85 1020 20.1 -98.3 0.42 " 16.5 7.89 1018 20.0 -97.6 0.41 " 1 .... ........... ......... .. ....... .... PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED TUBING. ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 12.73' WELL INTEGRITY: CAP&SEAL ARE SECURE. LOCK INSTALLED. WELL LOCATION: REMARKS: WEATHER: OVERCAST SKIES. WIND: NW5 ' QUALITY CONTROL: ALL PURGING E ,UIPMENT 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.POLY DR UM. ' INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER j SOLINIST SLOPE METER THERMODINE 590B P.I.D. KECK INTERFACE METER TURBIDITY METER #OF DRUMS ON SIGHT: WATER: SOIL: I