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American Geological Services, Inc. MONITORING WELL <br /> 47 Mono Way <br /> sono a, CA 9 370 SAMPLE LOGS <br /> I' Tel.: (209) 532-8021 Project Name: <br /> 1 ) Protect Number; <br /> Tracy Cold Storage CA95DE-029 <br /> Well No. MW-6 Pae 1 of J-- Date:09-22-98 C011ected By:GTW <br /> Quadrangle: Sec. T. R. <br /> I Northing Easting Contractor: Checked By: <br /> 50975.7751 35736.7347 eylik Drilling RRG <br /> WELL DETAILS <br /> Date Constructed; 08/24/94 Date Developed:08/25/94 Date Last Sampled:06-19-98 <br /> Casing Type:P Dia. 2.0" Screen Type: --Ey.Q_Dia,. 2.Q" Well Purging Method: <br /> Length: 10.0' Depth_ 8.0' Length: _ 10.0' Slot Size:0.01" Submersible Pump <br /> Ground Surface Elevation: <br /> 55.80' Well Depth:20.20' <br /> Collar(datum)Elevation: <br /> 57'27 Total Column Thickness: <br /> Total Column Elevation Product Depth: Product Thickness: <br /> NA <br /> Water Level Elevation: Water Depth; Water Thickness: NA <br /> 46.10' 11.17' 9.03' <br /> Well Water Volume: 1.44 gallons <br /> (2"=0.16g/ft,4"=0.65glft,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 (AS/cm) Oxygen <br /> (gallons) (ppm) <br /> ' 1421 1.0 18.0 7,3$ Grey 1210 High Moderat d HC. <br /> Brown a Sour Ol <br /> 1422 2.0 17.7 7.30 Lt grown 1200 Low Slight Sour <br /> 1423 4.0 17.5 7.30 Clear 1210 Low Slight Sour <br /> 1425 6.0 17.1 7.25 Clear 1180 Low Slight Sour <br /> I <br /> SAMPLING INFORMATION <br /> ' SAMPLE NO. SAMPLING METHOD CONTAINER COLOR TURBIDITY ODOR ANALYSIS REQUESTED <br /> MW-6 Disposable Bailer 2 VOA Clear Low None TPH Gas <br /> BTEX <br /> 1 <br /> Additional Information: <br /> I <br /> i <br /> 1 <br /> i <br />