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Fl- DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 2 DATE: 4/1/98 <br /> PROJECT NAME: VALLEY SHOWCASE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS; FREMONT STREET SAMPLE TIME: 11:57 <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 8 VOA'S/I BLANK <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES LAB.ANALYSIS BY: SHERWOOD/BSK <br /> PROJECT MANAGER BILL HUNTER MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 4" / 0.6528 <br /> SAMPLE ME GROUNDWATER P.I.D.READING/ODOR: 181 GAS <br /> TOP OF CAST EL VATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: feeL1(lOth's 6.53 FEET CALC.PURGE VOL.: 14.6684I6 GAL. <br /> DEPTH OF WELL: (feeL.100th's) 29.00 FEET TOTAL VOLUME PURGED: 45 GAL. <br /> STANDING WATER COLUMN: 22.47 FEET' DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVEJEl TURBIDTTY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPWLP11O (nnits) (UMMEOS) (Cdsfus) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A I GPM 7.75 800 20.6 .39 NIA CLEAR <br /> 15 7.76 787 20.3 -82 " <br /> 30 7.75 782 20 -104 " <br /> 45 7.71 778 19.9 40() " <br /> so <br /> PURGE METHOD: CENTRWUGAL PUMP. <br /> SAMPLE METHOD: Y STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 6.65' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SFE SITE MAP, <br /> REMARKS: DUPLICATE SAMPLES WERE COLLECTED. <br /> WEATHER: OVERCAST SKIES. SND; NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD'WITH A STEAMCLEANER A ALCONOX SOAP. NEW NMILE GLOVES. <br /> CONTAINMENT: D.O.T.J755 GAL STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN MFrER <br /> SOLINIST SLOPE METER THERMODWE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />