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r DEL-TECH GEOTECFMCAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2003 .. SAMPLE LOCATION/MW 4 DATE: 9/6/2003 PROJECT NAME: ESCALON/FORMER AM/PM ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 1350 ESCALON AVENUE SAMPLE TIME: 8.48 CITY,STATE: ESCALON,CA SAMPLE CONTAINERS: 4 V.O.A.'S SITE CONTACT: ' PRESERVATIVES: HCL CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS. PROJECT MANAGER ERIC PRICE MONUMENT: FLUSH SAMPLER: DEL-TECH WELL CASING MATERIAL PVC SIGNED: F WELL CASING DIA..: 2" / 0.1632 SAMPLE MED : GROUNDWATER P.I.D.READING/ODOR: N/A NONE TOP OF CASING ELE TION: MSL COLOR: BROWN DEPTH TO WATER: (feet.100th's) 65.00 FEET CALC.PURGE VOL.: 2.15 GAL. DEPTH OF WELL: (feet.100th's) 78.20 FEET TOTAL VOLUME PURGED: 6.46 GAL. STANDING WATER COLUMN: 13.20 FEET DEPTH OF PUMP: 75 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.) (GPM/LPM) (units) I(UmMHOS)l (Celsius) (M,.l.) (PPM) (N.T.U.) 0 N/A .5 GPM- . 7.48 747 19.9 142.3 5.16 BROWN y 2.15 7.29 731 20 115.2 4.55 " 4.31 7.25 724 19.8 97.7 4.14 " 6.46 7.24 722 19.7 90.2 4.17 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED W ATERRA PUMP. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 72.18' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: CLEAR&HOT SKIES. WIND: NONE QUALITY CONTROL: ALL PURGING EQ UIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE FIELD V71TH A 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 SOLINIST SLOPE METER THERMODINE 580B P.I.D. V KECK INTERFACE METER TURBIDITY METER s/ V r