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' American Geological Services, inc. <br /> P.O. Box 3416 MONITORING WELL <br /> ' <br /> Tel.: (209) 532-8021 SAMPLE LOG <br /> Project Name: Project Number: <br /> Tracy Cold Storage CA95DE-029 <br /> '1.ell No.MW-9 Page. 1 of 1 Date: 12-19-97 Collected By:TKS <br /> Quadrangle: Sec. <br /> ' Northing: Easting: Contractor Checked by: <br /> 50970.2483 35731.3479 V&W Drilling. GTW <br /> WELL DETAILS <br /> ' Date Constructed: 03-08-96 Date Developed:03-15-96 Date Last Sampled: 10-15-97 <br /> Casing Type:_ PVC Dia. 2.0' Screen Type: PVQ Dia. 2,(" Well Purging Method: <br /> Length: 40: Depth: Length: 5' Slot Size_ 0•Ql" Submersible Pump <br /> Ground Surface Elevation: <br /> Well Depth:44.85' <br /> Collar(datum)Elevation: <br /> 56.60' Total Column Thickness: <br /> Total Column Elevation: <br /> Product Depth: NA Product Thickness: NA <br /> Water Levet Elevation: <br /> ' 46.31' Water Depth: 10.29' Water Thickness: 34.54' <br /> Well water volume:5.52 gallons <br /> (2"=0.16 g/ft,4"=0.65 g/ft, 6"=1.47 g/ft) <br /> WELL PURGING AND WATER PARAMETER TESTING <br /> TIME WATER VOLUME TEMP pH COLOR CONDUCT DISSOLVED TURBIDITY ODOR REMARKS <br /> LEVEL PUMPED (°C) (units) ms/cm. OXYGEN <br /> 1400 <br /> ' 1.0 16.8 6.75 Clear 2.05 Low None <br /> 714 <br /> 403 <br /> 5.5 17.3 6.98 Clear 2.05 Low None <br /> ' 406 <br /> 11.0 17.6 7.05 Clear 2.07 Low None <br /> 09 <br /> 16.5 17.7 7.07 Clear 2.07 Low None <br /> SAMPLING INFORMATION <br /> SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> ' Disposable TPH-gas <br /> MW-9 Blank Bailer 1 VOA Clear Low None BTEX <br /> Disposable TPH-gas <br /> MW-9 Bailer 3 VOA Clear Low None BTEX, oxygenates <br /> 1 <br /> Additional Information: <br />