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iv DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2003 <br /> 7 <br /> SA�i <br /> MPLE LOCATION MW- <br /> 4 DATE: <br /> 2/14/2003 <br /> 777 .... <br /> PROJECT NAME: VALLEY WHOLESALE DRUG ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: <br /> _ <br /> ADDRESS: FREMONT STREET SAMPLE TIME: 13:15 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'S <br /> LSITE CONTACT: PAUL SOUSA PRESERVATIVES: HCL&TSP <br /> L_�O SUL�TANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: <br /> SHERWOOD LABS <br /> PROJECT MANAGER: ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: <br /> WELL CASING DIA. : 2" 0.1632 <br /> SAMPLE MEDIA: GRO DWATER P.I.D.READING/ODOR: -N/A MUSTY <br /> TOP OF CASING ELEVATI MSL COLOR- <br /> DEPTH TO WATER: i'v­ CLEAR <br /> 100th's) 8.18 FEET CALC.PURGE VOL.: 2.80 —7iAL— <br /> DE PH OF WELL., (fect.100th's) 25-34 FEET TOTAL VOLUME PURGED—, <br /> STANDING WATER COLUMN: 17.16 FEET DEPTH OF PUMP: 9 GAL. <br /> N/A FEET <br /> FIELD PARAMETERS <br /> .......... <br /> . . .... .......... <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.) (GPNVLPM (units) (UM140.1;) ts) (PPM) (N.T.0..) <br /> 0 N/A .5 GPM 7.45 907 20.4 -44.2 0.70 CLEAR <br /> 3 7.45 915 20.5 -53.4 0.55 11 <br /> 6 7.46 918 20.6 -57,7 0.52 <br /> 9 <br /> 7.48 928 20.6 -61.9 <br /> PURGE METHOD: <br /> DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED TUBING. <br /> D.T.W AFTER PURGE: D.T.W.AT SAMPLE TIME: 8.50' <br /> WELL INTEGRITY: <br /> CAP&SEAL ARE SECURE,NO LOCK.WELL LOCATION- <br /> IR <br /> E <br /> M <br /> A <br /> R <br /> K <br /> S <br /> : <br /> WEATHER: <br /> OVERCAST SKIES. WIND: NW5QUALITY CONTROL: ALL PURGING f2UIPMENT AND SAMPLING EQUIP <br /> ME <br /> N <br /> T W <br /> AS CLEANED <br /> IN <br /> THE <br /> FIELD ETH4 STEAMCLEARER&ALCONOXSOAP. NEWNITRILE GLOVES.CON <br /> CONTAINMENT: RO.T. 1755 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THEPMODINE 580B P.J.D. <br /> KECK INTERFACE METER TURBIDITY METER#OF DRUMS ON SIGHT: <br /> WATER: SOIL: <br /> F_ <br />