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Analyte <br />CDPHE- <br />Dection <br />Limits <br />Reporting <br />Limits <br />MCL <br />mg /I <br />Secondary <br />Drinking <br />mg/I <br />Acute <br />I °a/q <br />Chronic <br />"g/I <br />DG -1 <br />5/2010 <br />DG -1 <br />8/2010 <br />DG -1 <br />11/2010 <br />DG -1 <br />2/2011 <br />DG -1 <br />5/17/2011 <br />Aluminum <br />0.1 <br />0.1 <br />0.055 <br />Antimony <br />0.0005 <br />0.006 <br />-- <br />-- <br /><0.0005 <br /><0.0005 <br />NS <br />NS <br />ND <br />Arsenic <br />0.0005 <br />0.01 <br />340 <br />150 <br /><0.0005 <br /><0.0005 <br />NS <br />NS <br />NA <br />Barium <br />2 <br />-- <br />-- <br />0.064 <br />0.0951 <br />NS <br />NS <br />NA <br />Beryllium <br />0.004 <br />- <br />- <br /><0.0005 <br /><0.0005 <br />NS <br />NS <br />NA <br />Boron <br />0.75 <br />-- <br />- <br /><100 <br />0.2 <br />NS <br />NS <br />NA <br />Cadmium <br />0.00005 <br />0.005 <br />1.5 <br />0.25 <br /><0.00005 <br /><0.00005 <br />NS <br />NS <br />ND <br />Calcium' <br />0.5 <br />NA <br />NA <br />20.5 <br />31.9 <br />NS <br />NS <br />22.7 <br />Chromium' <br />0.001 <br />0.1 <br />16 <br />11 <br />0.005 <br /><0.001 <br />NS <br />NS <br />ND <br />Copper <br />0.0001 <br />1.3 <br />7.0 <br />5.0 <br />0.0005 <br />0.0002 <br />NS <br />NS <br />0.0003 <br />Iron <br />0.3 <br />0.1 <br />NA <br />NA <br />NA <br />NA <br />ND <br />Lead <br />0.0001 <br />0.015 <br />30 <br />1.2 <br />0.0002 <br /><0.0001 <br />NS <br />NS <br />ND <br />Magnesium 5 <br />0.5 <br />NA <br />NA <br />4.2 <br />8.0 <br />NS <br />NS <br />5.38 <br />Manganese' <br />0.05 <br />0.0005 <br />0.05 <br />2,370 <br />1,310 <br />0.0031 <br />0.0013 <br />NS <br />NS <br />NA <br />Mercury <br />0.0002 <br />0.002 <br />1.4 <br />0.01 <br />(total) <br /><0.0002 <br /><0.0002 <br />NS <br />NS <br />ND <br />Nickel' <br />0.0005 <br />260 <br />29 <br />0.0007 <br />0.0007 <br />NS <br />NS <br />ND <br />Potassium' <br />0.5 <br />NA <br />NA <br />0.5 <br />0.7 <br />NS <br />NS <br />ND <br />Selenium <br />0.001 <br />0.05 <br />18.4 <br />4.6 <br /><.001 <br /><0.001 <br />NS <br />NS <br />ND <br />Silver <br />0.00005 <br />0.1 <br />0.62 <br />0.1 <br /><0.00005 <br /><0.00005 <br />NS <br />NS <br />ND <br />Sodium' <br />0.5 <br />NA <br />NA <br />1.3 <br />1.0 <br />NS <br />NS <br />1.1 <br />Thallium <br />0.00005 <br />0.002 <br />- <br />15 <br /><0.05 <br /><0.00005 <br />NS <br />NS <br />ND <br />Uranium' <br />0.00001 <br />0.3 <br />1,119 <br />699 <br />0.00008 <br />0.00019 <br />NS <br />NS <br />0.0002 <br />Zinc <br />0.001 <br />5 <br />5 <br />79 <br />69 <br />0.007 <br /><0.001 <br />NS <br />NS <br />ND <br />Hardness <br />10 <br />10 <br />NA <br />NA <br />-- <br />- <br />68 <br />113 <br />NS <br />NS <br />78.7 <br />DG -1 -Table 2 <br />Dissolved Metals <br />Little Deadwood Gulch <br />Wildcat Mining Corporation <br />May Day Idaho Mine Complex <br />Notes <br />1. All results mg/I <br />2. The Basic Standards and Methodologies for Surface Water, 5 CCR 1002 -31 (Regulation No. 31), <br />Table III Metal Paramaters for Aquatic Life <br />3. Regulation No. 31 Table VI: Table Value Standards for Selected Hardness, Hardness <br />Value of 50 mg/L <br />4. Assumes Total Chromium as Chromium (VI) <br />5. -- = No Standard <br />NS Not Sampled- Inaccessible <br />Not <br />NA Analyzed <br />