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American Geological Services, Inc. MONITORING WELL <br /> P.O. Box 3416 <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-7 Page 1 of 1 Date:3-30-98 Collected By:GTW <br /> ' Quadrangle: Sec. <br /> Northing: Easting: Contractor Checked by: <br /> 50841.7391 35786.8098 V&W Drilling. RRG <br /> ' WELL DETAILS <br /> Date Constructed: 03-08-96 Date Developed:03-15-96 Date Last Sampled: 12-19-97 <br /> ' Casing Type: PVC Dia, 2.0" Screen Type: PVC Dia.2 0 Well Purging Method: <br /> Length: 7' Depth: 4' Length: 20' Slot Size_ 0.01, Submersible Pump <br /> Ground Surface Elevation: <br /> ' Well Depth:26.09' <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 /> 47.96' Water Depth: 8.19' Water Thickness: 17.90' <br /> Well water volume: 2.86 gallons <br /> ' (2"=0.16 gift,4"=0.65 gift,6"=1.47 gift) <br /> WELL PURGING AND WATER PARAMETER TESTING <br /> TIME WATER VOLUME TEMP pH COLOR CONDUCT DISSOLVED TURBIDITY ODOR REMARKS <br /> • LEVEL PUMPED (°C) (units) mslem. OXYGEN <br /> 10 <br /> 1455 <br /> 1.0 20.0 6.98 Brown 2.04 High None <br /> 1456 <br /> 3.0 19.9 7.01 Lt Brown 2.05 Moderate None <br /> ' 1458 Very <br /> 6.0 19.8 7.04 Lt Brown 2.07 Low None <br /> 1459 very <br /> 9.0 19.8 7.06 Lt.Brown 2.13 Low None <br /> SAMPLING INFORMATION <br /> ' SAMPLE NO, SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS RE0UESTED <br /> Disposable TPH-gas <br /> MW7-Blank Bailer 1 VIDA Clear Low None BTEX <br /> ' Disposable TPH-gas <br /> MW-7 Bailer 2 VOA Brown High None BTEX <br /> 1 <br /> ' Additional Information: <br />