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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> ....... .......................................... .................... . .. .......... . .. .•.• <br /> SAMPLE LOCATION/MW - 2 DATE: 7/23120f}4 <br /> _ _ _ <br /> PROJECT .. •GEORGE S SERVICE. •' <br /> ' .• .•�ANALYSIS•PERFORMED.•�.�•.•SEE.CHAIN.OF•CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 17:46 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 3 VOA'S <br /> ' SITE CONTACT: GEORGE&MAE PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: S14ERWOOD LABS, <br /> ......... .................... ........ ...•.•.•.•.•.•.,. <br /> ' PROJECT MANAGER ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL: PVC <br /> SIGNED: WELL CASING DIA. : 2" / 0.1632 <br /> ' SAMPLE MEDIA: GROUNDWATER P.I.D.READING 1 ODOR: NIA GAS <br /> TOP OF CASING ELEVATION: MSL COLOR: BLACK <br /> DEPTH TO WATER: feet.100th's 13.35 FEET CALL.PURGE VOL.: 1.01 GAL, <br /> DEPTH OF WELL: feet.I00th's 19.55 FEET TOTAL VOLUME PURGED: 3.04 GAL. <br /> ' STANDING WATER COLUMN: 6.20 FEET DEPTH OF PUMP: 19 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING• .•pH..•. 'E.C. ' TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D.T.W.) (GPM/LPM) (units) (MSKHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .5 GPM 7.05 1053 22.1 -180 0.02 BLACK <br /> 1.01 " ti 7.08 1055 22.3 -184 " <br /> 2.02 ti 7.11 1057 22.5 -188 " <br /> ' 3.04 7.14 1063 22.5 -194 " <br /> . ' ' <br /> •..... •:;:-: <br /> PURGE METHOD: HONDA <br /> ... ...... ..... <br /> CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING. <br /> ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 14.67' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br />' REMARKS: HEAVY SHEEN. <br /> WEATHER: CLEAR SKIES. WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALC4NOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUMOR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLMST SLOPE METER THERMODINE 586E F.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 , <br />