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American Geological Services, Inc. MONITORING WELL <br /> 14847 Mono Way <br /> Sonora, CA 95370 SAMPLE LOG <br /> Tel.: (209) 532-8021 Project Name: Project Number; <br /> Tracy Cold Storage CA95DE-029 <br /> Well No. MW-1A Page 1 of 1 Date:03-16-99 Collected By- GTW <br /> Quadrangle: Sec. T. R, <br /> Northing Easting Contractor: Checked By: <br /> V&W Drilling RRG <br /> WELL DETAILS <br /> Date Constructed:09-17-98 Date Developed: 09-22-98 Date Last Sampled: 12-18-98 <br /> Casing Type:PVC Dia. 2.0" Screen Type:PVC Dia.. 2.0" Well Purging Method: <br /> Length: 10.0' Depth 8.0' Length: 10.0' Slot Size:0,01" Submersible Pump <br /> Ground Surface Elevation: <br /> 56.20 Well Depth:20.40' <br /> Collar(datum)Elevation: <br /> Total Column Thickness: <br /> Total Column Elevation Product Depth: Product Thickness: <br /> ' NA NA <br /> Water Level Elevation: Water Depth: Water Thickness: <br /> NA 1 11.72' 8.68' <br /> Well Water Volume: 1.38 gallons <br /> (2"=0.16 /ft,4"=0.65glft,6"=1.47glft) <br /> WELL PURGING AND WATER PARAMETER TESTING <br /> Time Water Volume Temp pH Color Conductivity Dissolved Turbidity Odor Remarks <br /> Level Pumped °C (PS/cm) Oxygen <br /> (gallons) (ppm) <br /> 1557 0.5 17.0 7.40 Brown 1470 High Moderate Old HC <br /> 1558 1.5 17.1 7.48 Clear 1440 Low Low Old HC <br /> 1558 3.0 17.2 7.47 Clear 1440 Low Moderate Old HC <br /> 1559 4.5 17.3 7.47 Clear 1440 Low Moderate Old HC <br /> SAMPLING INFORMATION <br /> ' SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> MW-1A Disposable Bailer 4 VOA Very Light Low Moderate TPH Gas <br /> Brown BTEX <br /> Additional Information: <br /> 1 <br />