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'Mo" <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW- 3 DATE: 9/8/98 <br /> PROJECT NAME: CALIFORNIA WELDING SUPPLY. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1000 EAST 11 STREET SAMPLE TIME: 13:33 <br /> CITY STATE: TRACY,CA. SAMPLE CONTAINERS: 6 CONTAINERS/1 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.: 2" / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN TO LT.BROWN <br /> DEPTH TO WATER: (feet.l00th'S 9.08 FEET CALC.PURGE VOL.: 1.790304 GAL. <br /> DEPTH OF WELL: (feet.100th's) 20.05 FEET TOTAL VOLUME PURGED: 6 GAL. <br /> STANDING WATER COLUMN: 10.97 FEET DEPTH OF PUMP: 15 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. IS SOL- <br /> TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPMILPM) (units) (UmMHOS) (Celsius) (Mvoits) (PPM) (N.T.U.) <br /> 0 N/A 1 GPM 7.72 2080 29 1 -126 N/A BROWN <br /> 2 7.77 1663 20.4 -131 LT.BRN. <br /> 4 7.55 1625 20.4 -130 " <br /> 6 7.54 1622 20.1 -130 " <br /> PURGE METHOD: CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 9.16' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE STI'E MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NUBILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL.STEEL DRUM OR 60 GAL.POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCFd.L Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINISI'SLOPE METER ODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> HUNTER & ASSOC <br />