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0 DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> .f.f <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION 1 MW - 1 DATE: 3118/98 <br /> _ PROJECT NAME: C&B E UIPMENT. ANALYSIS PERFORMED: TPH-G,B.T.E.X.,MTBE <br /> ADDRESS: 7474 WEST 11TH ST. SAMPLE TIME: 18:00 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 2 V.O.A.'S& 1 BLANK <br /> SITE CONTACT: FRANK COEHLO PRESERVATIVES: HCL <br /> ;.� CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD 1 WEST <br /> »: <br /> PROJECT MANAGER MIKE/RAY MONUMENT: FLUSH <br /> SAMPLER: j DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" / 0.1632 <br /> SAMPLE MEDIA: [ GROUNDWATER P.I.D.READING/ODOR: NIA MUSTY <br /> _- TOP OF CASING ELEVATION: MSL COLOR: LT.BROWN TO CLEAR <br /> DEPTH TO WATER: (feeL100th's) 6.50 FEET CALC.PURGE VOL.: 2.17872 GAL. E <br /> DEPTH OF WELL: (ieet.100th's) 19.85 FEET TOTAL VOLUME PURGED: 7.5 GAL, <br /> STANDING WATER COLUMN 13.35 FEET DEPTH OF PUMP: N/A FEET <br /> ` FIELD PARAMETERS <br /> TIME CALCULATED DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVEID TURBIDITY <br /> :' � "'' <br /> VOLuME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPM/LpM) (units) (NUMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 17:40 0 NIA 2 GPM 7.43 3.11 19.6 18 NIA LT.BAN. <br /> 17:42 2.5 7.44 3.18 19.9 13 " CLEAR <br /> 17:44 5 7.44 3.2 19.6 18 " <br /> 17:46 7.5 7.96 7.45 3.2 19.7 11 " <br /> _.. <br /> :? ...`:: .... ..... . <br /> PURGE METHOD: CENTRIFUGAL PUMP, is <br /> ?� SAMPLE METHOD: I'STAINLESS STEEL,BAILER W/STAINLESS STEEL WIRE LINE k <br /> ` J D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 6.68' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK INSTALLED. k <br /> WELL LOCATION: SEE SITE MAP, a <br /> -1 REMARKS: GOOD RECHARGE. <br /> WEATHER: OVERCAST SKIES. WIND: CALM <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER do ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.&I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> E <br /> SOLINiIST SLOPE MEIFR THERMOMNE 5808 P.I.D. <br /> IECK INTERFACE METER TURBIDITY METER F• <br /> #OF DRUMS ON SIGHT: WATER: 3 SOIL: 13 <br /> - j <br />