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American Geological Services, Inc. MONITORING WELL <br /> 14847 Mono Way <br /> Sonora, CA 95370 SAMPLE LOGS <br /> Tel.: (209) 532-8021 Project Name: Project Number; <br /> ' Tracy Cold Storage CA95DE-029 <br /> Well No. MW-9 Pae 1-of i_ Date:6119198 Collected Py:GTW <br /> Quadrangle: Sec. T. R. <br /> ' Northing EastingContractor: Checked By: <br /> 50970.2483 35731.3479 V&W Drilling RRG <br /> WELL DETAILS <br /> Date Constructed:03/08/96 Date Developed: 03/15/96 Date Last Sampled:3130198 <br /> Casing Type:-EY-C--Dia. 2.0" Screen Type:PVC Dia:. 2.0" Well Purging Method: <br /> tLength:_40.0'Depth 2.0' Length: 5.0'Slot Sizei 0.01Submersible Pump <br /> Ground Surface Elevation: <br /> ' Well Depth:44.85' <br /> Collar(datum)Elevation: <br /> 56.60' Total Column Thickness: <br /> Total Column Elevation Product Depth: Product Thickness: <br /> NA NA <br /> ' Water Level Elevation: Water Depth: Water Thickness: <br /> 47.77' 8.86' 36.02' <br /> Well Water Volume: 5.76 <br /> (2"=0.16g/ft,4"=0.65g/ft,6"=1.47g/ft) <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 /> 10-4 <br /> 1250 1.0 21.9 7.11 Clear 2020 Low None <br /> ' 1253 6.0 20.0 7.00 Clear 2030 Low None <br /> 1256 12.0 18.1 6.92 Clear 2020 Low None <br /> ' 1300 18.0 18.1 6.91 Clear 2030 Low None <br /> SAMPLING INFORMATION <br /> t SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> MW-9 Disposable Bailer 1 VOA Clear Low None TPH Gas <br /> BTEX <br /> MW-9 Disposable Bailer 2 VOA Clear Low None TPH Gas <br /> BTEX <br /> ' Additional Information: <br />