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DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2002 .. .................. ........................'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'.'. ,r SAMPLE LOCATION/MW- 4 DATE: 12/30/2002 PROJECT NAME: ESCALON/FORMER AM/PM ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 1350 ESCALON AVENUE SAMPLE TIME: 13:10 CITY,STATE: ESCALON CA SAMPLE CONTAINERS: 4 V.O.A.'S SITE CONTACT: PRESERVATIVES: HCL/TSP CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS. V .. ....... ........ .. .... ....;. ..... ..............•.•.•....•.•.•.•.•.'.•.•.'..'.•.•.•.•.'.•.•.•.•.•.•.•.•.'.•.•.'.'. PROJECT MANAGER RAY&MIKE MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC SIGNED: WELL CASING DIA. : 211 / 0.1632 SAMPLE MED • GROUNDWATER P.I.D.READING/ODOR: N/A NONE TOP OF CASING ELE TION: MSL COLOR: LIGHT BROWN DEPTH TO WATER: feet.100th's 63.50 FEET CALC.PURGE VOL.: 2.40 GAL. DEPTH OF WELL: feet.100th's 78.20 FEET TOTAL VOLUME PURGED: . 7.5 GAL. STANDING WATER COLUMN: 14.70 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 PERPURGE (D.T.W.) (GPMILPM) (units) (UmMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) 0 N/A .5 GPM 7.47 724 19.8 28.2 N/A LT.BRN. 2.5 " " 7.17 667 19.4 38.4 It 5 7.10 656 19.3 39.4 It " 7.5 7.08 653 19.3 41.4 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 67.69' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: OVERCAST SKIES. WIND: NONE QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. ,r CONTAINMENT: D.O.T. 1755 GAL. STEEL DRUM OR 60 GAL.POLYDRUM. INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 580E P.I.D. KECK INTERFACE METER TURBIDITY METER V