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Analyte <br />Primary <br />Secondary <br />Acute <br />Chronic <br />SW -2 <br />5/2010 <br />SW -2 <br />8/2010 <br />SW -2 <br />11/2010 <br />SW -2 <br />2/2010 <br />SW -2 <br />5/17/2011 <br />Aluminum <br />0.75 <br />0.87 <br />0.270 <br />0.11 <br /><0.10 <br /><0.10 <br />NA <br />Arsenic <br />0.01 <br />-- <br />-- <br />0.001 <br />0.0008 <br /><.00005 <br /><.00005 <br />.0007 <br />Cadmium <br />0.005 <br />-- <br />-- <br />0.00007 <br /><0.00005 <br /><0.00005 <br /><0.00005 <br />ND <br />Chromium <br />0.1 <br />-- <br />-- <br /><.001 <br /><0.001 <br /><0.001 <br /><0.001 <br />ND <br />Iron <br />0.3 <br />-- <br />1 <br />0.540 <br />0.17 <br /><0.05 <br /><0.05 <br />NA <br />Lead <br />0.015 <br />-- <br />-- <br />0.0001 <br />0.0001 <br /><0.0002 <br /><0.0001 <br />0.0006 <br />Manganese <br />0.05 <br />-- <br />-- <br />0.038 <br />0.0193 <br />0.0093 <br />0.0017 <br />0.0174 <br />Nickel <br />Not Listed <br />-- <br />-- <br />0.001 <br />0.0006 <br />0.0008 <br />0.0008 <br />ND <br />Selenium <br />0.05 <br />-- <br />-- <br /><.001 <br /><0.001 <br /><0.001 <br /><0.001 <br />ND <br />Zinc <br />5 <br />-- <br />-- <br />0.014 <br />0.012 <br />0.001 <br />0.005 <br />0.0069 <br />SW -2 -Table 3 <br />La Plata River -Lower <br />Total Metals Concentrations in Surface Waters <br />Wildcat Mining Corporation <br />May Day Idaho Mine Complex <br />Notes <br />1. All results mg /L. <br />2. The Basic Standards and Methodologies for Surface Water, 5 CCR 1002 -31 (Regulation No. 31), <br />Table Ill Metal Paramaters for Aquatic Life <br />3. Total Recoverable <br />4. -- = No Standard <br />5. Shaded result = exceeds standards <br />5/20/2010 <br />