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' American Geological Services Inc. <br /> P.O. Box 3446 9 MONITORING WELL <br /> ' Sonora, CA 95370 SAMPLE LOG <br /> Tel.: (209) 532-8021 <br /> Project Name: Project Number: <br /> ' Tracy Cold Storage CA95DE-029 <br /> Well No. MW-9Page�— of 11 Date: 10-15-97 Collected By:TKS <br /> Quadrangle: Sec. <br /> I ' 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:6-17-97 <br /> Casing Type:_ PVC Dia. 2.0.' Screen Type: PVC Dia. 2.0" Well Purging Method: <br /> ' Length: 40' Depth:' Length: 5' Slot Size 0,011, Submersible Pump <br /> Ground Surface Elevation: <br /> ' Well Depth:44.84' <br /> Collar(datum)Elevation: <br /> 56.60' Total Column Thickness: <br /> Total Column Elevation: <br /> Product Depth: NA Product Thickness: NA <br /> Water Level Elevation: <br /> 46.08' Water Depth: 10.52' Water Thickness: 34.32' <br /> Well water volume:5.49 gallons <br /> (2"=0.16 glft,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) mslcm. OXYGEN <br /> 1201 <br /> 1.0 22.6 6.99 Lt Brown 1.74 High None <br /> 1205 <br /> 6.0 21.0 7.10 Clear 1.76 Low None <br /> ' 1209 <br /> 12.0 19.6 7.13 Clear 1.91 Low None <br /> ' 1213 <br /> 18.0 19.5 7.20 Clear 1.92 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 <br />. 1 <br /> Additional Information: <br />