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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW 102 DATE 11/3/2004 <br /> PROJECT NAME: GEORGE S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ' ADDRESS: .1600 DURHAM FERRY ROAD SAMPLE TIME: -15:15 <br /> CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 4 VOA'S <br /> SITE CONTACT: GEORGE&MAE PRESERVATIVES:. HCL <br /> ' CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER ERIC PRICE 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 MUSTY <br /> t TOP OF CASING ELEVATION: MSL COLOR: ' GREY TO LIGHT GREY TO CLEAR <br /> DEPTH TO WATER: (feet.100th's) 12.34 FEET CALC.PURGE VOL.: 6.06 GAL. <br /> DEPTH OF WELL: (feet.100th's) 49.50 FEET TOTAL VOLUME PURGED: 18.19 GAL. <br /> STANDING WATER COLUMN: 37.16 FEET DEPTH OF PUMP: 48 FEET <br /> FIELD PARAMETERS <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.) (GPMILPM) (units) (MsMHOS) (Celsius) (Mlldts) (PPT'I) (IN.T-V-) <br /> ' 0 NIA .5 GPM 7.97 1636 18.8 16 1.4 GREY <br /> 6.06 7.98 1665 19.0 5 1.5 LT.GREY <br /> 12.13 7.98 1666 19.0 -12 1.5 CLEAR <br /> 18.19 7.97 1650 18.7 -17 1.6 " <br /> 1 ......... <br /> PURGE METHOD: HONDA CENTRIFUGAL PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING. <br /> ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 13.92' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: CLEAR SKIES. WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> 1FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE 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 /> SOLIMST SLOPE METER THERMODINE 580B P.I.D. <br /> . KECK INTERFACE METER TURBIDITY METER <br />