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is DEL—TECHGEOTECHNICALSUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2005 <br /> SAMPLE LOCATION I MW 7 DATE: 1/21/2005 <br /> z., <br /> , <br /> PROJECT NAME: GEORGE'S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 9:17 <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 /> 2-. <br /> 2- <br /> PROJECT MANAGER ERIC PRICE MONUMENT: FLUSH <br /> SAMPLER: DEL TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED: 1?r—�_ " WELL CASING DIA.: 211 / 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100ch's) 12.54 FEET CALL.PURGE VOL.: <br /> 'ET 1.45 GAL <br /> DEPTH OF WELL: (feet-100th's) 21.40 FEET TOTAL VOLUME PURGED: 4.34 GAL <br /> STANDING WATER COLUMN: 8.86 FEET DEPTH OF PUMP: 20 FEET <br /> FIELD PARAMETERS <br /> V, z <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) (Mvolts) (N.T.U.) <br /> 0 N/A .2 GPM 7.27 1706 18.8 233.3 1.04 CLEAR <br /> . 1.45 .-DRY DRY 7.37 1747 20.9 178.1 2.49 <br /> 2.89 7.37 1690 20.3 178.3 2.01 <br /> 4.34 7.40 1683 20.3 191.7 2.13 <br /> PURGE METHOD: HONDA CENTRIFUGAL PUMP, J <br /> SAMPLE METHOD. DEDICATED WATERRA INERTIA TUBING. <br /> D.T.W.AFTER PURGE. D.T.W.AT SAMPLE TIME: 18,53, <br /> WELL INTEGRI'T'Y: CAP&SEAL ARE SECURE. <br /> WELL LOCATION- SEE SnE MAP. <br /> REMARKS: POOR RECHARGE, <br /> WEATHER: OVERCAST/FOG. WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD'W1THASTfAMCLEAA`FR&ALC0N0XSOAP. NEW NITRILE GLOVES <br /> CONTAINMENT: D.O.T.17 55 GAL.STEEL DRUMOR 60 GAL.POLYDRUM <br /> INSTRUMENTATION: Y.S.1,3560 FLOWCFLL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODWE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />