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DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2004 SAMPLE LOCATION/.MW - 1 DATE 11!312004 PROJECT NAME: GEORGE'S SERVICE. ANALYSIS PERFORMED:' SEE CHAIN OF CUSTODY '. ADDRESS. 1600 DURHAM FERRY ROAD SAMPLE TIME: . 12:50 'CITY,STATE:. TRACY,CA. SAMPLE CONTAINERS: 4 VOA'S SITE CONTACT: GEORGE&MAE 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.LD.READING/ODOR: NIA FUEL TOP OF CASING ELEVATION: MSL COLOR: GREY TO CLEAR DEPTH TO WATER: (feet.100th's) 12.78 FEET CALC.PURGE VOL.: 1.10 GAL. DEPTH OF WELL: (feeL100th's) 19.50 FEET TOTAL VOLUME PURGED: 3.29 GAL. STANDING WATER COLUMN: 6.72 FEET DEPTH OF PUMP: 19 FEET tFIELD FAHAME I ERN 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) (MsMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) 0 N/A .5 GPM 7.99 1137 22.6 -20 0.98 GREY ' 1.10 1. 11 8.16 1100 22.6 -26 0.52 CLEAR 2.19 8.28 1098 22.4 -33 0.64 " 3.29 . 8.31 1086 22.4. -31 1.38 1 PURGE METHOD: HONDA CENTRIFUGAL PUMP. SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING. D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 13.10' WELL INTEGRITY: CAP&SEAL ARE SECURE. '. WELL LOCATION: SEE SITE MAP. - REMARKS: 1697 D.F.: 8.11 PH / 1149 E.C. / 14.2 TEMP. / 210.4 O.R.P. / 2.9 D.O. 33148 HWY:8.27 PH / 1316 E.C. 1 13.5 TEMP. / 192O.R.P. / 3.7 D.O. ' WEATHER: CLEAR 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.POLY DR UM. . INSTRUMENTATION: , Y.S.I,3560 FLOWCEI-L Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODITIE 580B P.I.D. KECK INTERFACE METER TURBIDITY METER #OF DRUMS ON SIGHT: WATER: 2 SOIL: 0 -