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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION 1 MW - 2 DATE: 3/18/98 <br /> PROJECT NAME: C&B EQUIPMENT. ANALYSIS PERFORMED: TPH-G,B.T.E.X.,MTBE <br /> ADDRESS: 7474 WEST l ITH ST. SAMPLE TIME: 18:22 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 2 VOA'S& 1 BLANK <br /> SITE CONTACT: FRANK COEHLO PRESERVATIVES: HCL <br /> =; CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER MIKE/RAY MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDIA: Q I\ GROUNDWATER P.LD.READING/ODOR: N/A MUSTY <br /> lTOP OF CASING ELEVATI MSL COLOR: CLEAR <br /> =± I <br /> DEPTH TO WATER: (feet.100th's) 6.30 FEET CALL.PURGE VOL.: 2.216256 GAL. <br /> DEPTH OF WELL: (feeL100th's) 19.88 FEET TOTAL VOLUME PURGED: 7.5 GAL. <br /> STANDING WATER COLUMN: 13.58 FEET DEPTH OF PUMP: N/A FEET <br /> ".... <br /> FIELD PARAMETERS s <br /> I _ TIME CALCULATED DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPNVLPM) {units) (MsMHOS) (Celsus) (Nivolts) (PPW (N.T.U.) <br /> 18:02 0 NIA 2 GPM 7.44 2.64 18.9 -27 NIA CLEAR <br /> 18:04 2.5 7.44 2.63 18.9 -31 " <br /> 18:06 5 7.43 2.64 19 -28 k <br /> 18:08 7.5 8.11' 7.43 2.64 19.1 -30 " <br /> :.; <br /> PURGE METHOD: CENTRIFUGAL PUMP <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAILER Wl STAINLESS STEEL.WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 6.45' <br /> :j WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK INSTALLED. <br /> WELL LOCATION: SET;SITE MAP. <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND: CALM <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> - FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW N7TRIL-E GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLMSI'SLOPE METER THERMODINE 580B P.I.D. <br /> -- KECK INTERFACE METER TURBIDITY METER <br /> a . <br />