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' American Geological Services, Inc. <br /> P.O. Box 3446 MONITORING WELL <br /> Sonora, CA 95370 SAMPLE LOG <br /> Tel.: (209) 532-8021 <br /> Project Name: Project Number: <br /> ' Tracy Cold Storage I CA95DE-029 <br /> Well No. MW-7 Page 1 of 1 Date:6-17-97 Collected By:TKS <br /> Quadrangle: Sec. <br /> ' Northing: Easting: Contractor Checked by: <br /> 50841.7391 35786.8098 V&W Drilling. GTW <br /> WELL DETAILS <br /> tDate Constructed: 03-08-96 Date Developed:03-15-96 Date Last Sampled:4-16-97 <br /> Casing Type: PVC Dia. 2.0" Screen Type: PVC Dia. 2 Well Purging Method: <br /> ' Length: 7' Depth: 4' Length: 20' Slot Size 0.01" Submersible Pump <br /> Ground Surface Elevation: <br /> Well Depth:26.01' <br /> ' Collar(datum)Elevation: <br /> 56.15' Total Column Thickness: <br /> Total Column Elevation: <br /> Product Depth: NA Product Thickness: NA <br /> ' Water Level Elevation: <br /> 47.33 Water Depth: 8.82' Water Thickness: 17.19' <br /> Well water volume: 2.75 gallons <br /> (2"=0.16 g/ft,4"=0.65 gift,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 /> ' 1254 <br /> 1.0 23.4 6.55 Lt Brown 2.04 3.0 High None <br /> 1256 Very <br /> 3.0 21.6 6.46 Lt Brown 1.96 1.0 High None <br /> ' 1258 Very <br /> 6.0 20.9 6.48 Lt Brown 2.00 2.0 Moderate None <br /> 1300 <br /> 9.0 20.2 6.48 Clear 2.05 1.1 Low None <br /> 1 <br /> SAMPLING INFORMATION <br /> ' SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> Disposable TPH-gas <br /> MW7-131ank Bailer 1 VOA Clear Low None BTEX <br /> Disposable TPH-gas <br /> ' MW7-W Bailer 2 VOA Clear Low None BTEX <br /> Additional Information: <br />