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American Geological Services, Inc. <br /> P.O. Bax 3416 MONITORING WELL <br /> ' Sonora, CA SAMPLE LOG <br /> Tel.: (209) 532-8032-80 21 <br /> Project Name: Project Number: <br /> Tracy Cold Storage CA95DE-029 <br /> ' Well No. MW-6 Page I of 1 Date: 12-19-97 Collected By:TKS <br /> Quadrangle: Sec. <br /> Northing: Easting: Contractor Checked by: <br /> ' 50975.7751 35736.7347 Beylik Drilling, Inc. GTW <br /> WELL DETAILS <br /> ' Date Constructed: 08-24-94 Date Developed: 08-25-94 Date Last Sampled: 10-15-97 <br /> Casing Type:_ PVC Dia. 2.0 Screen Type: PVC Dia. Well Purging Method: <br /> Length: 10' Depth:_ Length: 10' Slot Size 0.01" Submersible Pump <br /> Ground Surface Elevation: <br /> 55.80' Well Depth:20.21' <br /> ' Collar(datum)Elevation: <br /> 57.27' Total Column Thickness: <br /> Tota!Column Elevation: <br /> Product Depth:NA Product Thickness: NA <br /> Water Level Elevation: <br /> ' 46.23' Water Depth: 11.04' Water Thickness:9.17' <br /> Well water volume: 1.40 gallons <br /> (2"=0.16 gift,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 /> 1422 <br /> ' 1.0 16.9 6.65 Lt. Brown 1.90 Low Moderate Old HC <br /> 1424 Very <br /> 2.0 17.9 7,11 Lt. Brown 1.78 Low Moderate Old HC <br /> 1426 <br /> ' 4.0 17.8 7.14 Clear 1.86 Low Moderate Old HC <br /> 1428 <br /> 6.0 17.7 7.16 Clear 1.95 Low Slight Old HC <br /> 1 <br /> ' SAMPLING INFORMATION <br /> O ON <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 BTEX, oxygenates <br /> 1 <br /> Additional Information: <br /> 1 <br />