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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> —SAMPLE LOCATION MW - 2 DATE: 2/-19/99 <br /> _PROJECT NAME. SINCLAIR TRUCKING ANALYSIS PERFORMED. TPH-GAS,B.T.X.E.,M.T.B.E. <br /> ADDRESS: 2780 LINNE ROAD SAMPLE TIME: 15:12 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS: 3 V.O.A.'s/ 1 BLANK <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT; GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY: BSK LABS <br /> PROJECT MANAGER RAY OR MIKE MONUMENT: FLUSH <br /> SAMPLER: I DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: I WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MED GROUNDWATER P.I.D.READING I ODOR: N/A <br /> TOP OF CASING EL9VAT1_0N: MSL COLOR. CLEAR <br /> DEPTH TO WATER: (feetlMth's) 10.91 FEET CALC,PURGE VOL.: 1,457376 GAL <br /> DEPTH OF WELL: (feet.100th's 19.84 FEET TOTAL VOLUME PURGED: 4.5 GAL. <br /> STANDING WATER COLUMN:_ 9.93 FEET DEPTH OF PUMP: FEET <br /> FIELD PARAMETERS <br /> ............ <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPWLPM) (units) (USMHOS) (Celsius) (Mvolts) (Ppm) (N.T.U.) <br /> 0 N/A 1.0 GPM 7.72 2530 18.1 80 N/A CLEAR <br /> 1.5 7.66 2590 18.7 77 <br /> 3 7.61 2580 19 14 <br /> 4.5 7.59 2570 19.4 75 <br /> M7: <br /> PURGE METHOD: CENTRIFUGAL PUMP/1/2"DEDICATED TUBING <br /> SAMPLE METHOD. 11 STAINLESS STEEL BAMER, <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 11.80, <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND: NW5 <br /> OUALITY CONTROL: ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES. <br /> CONTAINMENT. D.O.T. 1755 GAL STEEL DRUM OR60GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.T.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br />