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' American Geological Services, Inc. <br /> P.O. Box 3446 MONITORING WELL <br /> Sonora, CA 95370 <br /> Tel.: (209) 532-8021 SAMPLE LOG <br /> Project Name: Project Number: <br /> Tracy Cold Storage CA95DE-029 <br /> Well No. MW-6 Page 1 of 1 Date: 10-15-97 Collected By:TKS <br /> Quadrangle: Sec. <br /> Northing: Fasting: Contractor Checked by: <br /> 50975.7751 35736.7347 Beylik Drilling, Inc. GTW <br /> 1 WELL DETAILS <br /> Date Constructed: 08-24-94 Date Developed:08-25-94 Date Last Sampled: 6-17-97 <br /> Casing Type:, PVC Dia, 2.0 Screen Type:_ PVC Dia. _?-Q Well Purging Method: <br /> ' Length:__ 10' Depth: Length: 10' Slot Size---Q,01Submersible Pump <br /> Ground Surface Elevation: <br /> 55.80' Well Depth:20.19' <br /> ' Collar(datum)Elevation: <br /> 57.27' Total Column Thickness: <br /> Total Column Elevation: <br /> Product Depth: NA Product Thickness: NA <br /> Water Levet Elevation: <br /> 45.95' Water Depth: 11.32' Water Thickness:8.87' <br /> Well water volume: 1.42 gallons <br /> (2"=0.16 g/ft,4"=0.65 g/ft,6"=1.47 glft) <br /> ' WELL PURGING AND WATER PARAMETER TESTING <br /> TIME WATER VOLUME TEMP pH COLOR CONDUCT DISSOLVED TURBIDITY ODOR REMARKS <br /> LEVEL PUMPED (°c) (units) mSlcan. OXYGEN <br /> 1224 <br /> 1.0 21.3 7.11 Clear 1.35 Low Slight Old HC <br /> 1226 <br /> 2.0 20.8 7.24 Clear 1.30 Low Slight Old HC <br /> ' 122$ <br /> 4.0 20.5 7.22 Clear 1.31 Low Slight Old HC <br /> 1230 <br /> I6.0 20.5 7.25 Clear 1.33 Low Slight Old HC <br /> SAMPLING INFORMATION <br /> ' SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> Disposable TPH-gas <br /> MW6-Blank Bailer 1 VOA Clear Low None BTEX <br /> Disposable Slight TPH-gas <br /> MW-6 Bailer 3 VOA Clear Low Old HC STEX <br /> 1 <br /> Additional Information: <br />� 1 <br />