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r DEL-TECH GEOTECEMCAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2003 SAMPLE LOCATION/MW 2 DATE: 12/9/2003 7. _ PROJECT NAME: ESCALON 1 FORMER AM/PM ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 1305 ESCALON AVENUE SAMPLE TEWE: 12:08 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: ) WELL CASING DIA.: 2" / 0.1632 SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE TOP OF CASING ELEVA N: MSL COLOR: BROWN TO CLEAR DEPTH TO WATER: (feet.100th's) 64.85 FEET CALC.PURGE VOL.: 1.97 GAL. DEPTH OF WELL: (feet.100th's) 76.90 FEET TOTAL VOLUME PURGED: 5.90 GAL. STANDING WATER COLUMN: 12.05 FEET DEPTH OF PUMP: 74 FEET r 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) (UjnMHOS) (Celsius) (Mvoits) (PPM) (N.T.U.) _ 0 N/A .5 GPM 7.38 683 1 18.9 94.6 3.55 BROWN 1.97 7.40 682 18.9 96.8 3.48 " 3.93 7.40 682 19.1 97.3 3.47 CLEAR 5.90 7.41 680 19.1 99.2 3.45 " PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 67.14' WELL INTEGRITY: CAP&SEAL ARE SECURE. r WELL LOCATION: SEE SITE MAP. REMARKS: WEATHER: CLEAR&HOT SKIES. WIND: NONE QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH 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. KECK INTERFACE METER TURBIDITY METER r