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I <br />Table 26C <br />Impacts to the Middle Fork of the Purgatoire <br />from Discharge from the Flooded Workinas <br />Parartxter (mg/t <br />Middle Fork of The <br /><0.0002 (Trec) <br />NA <br /><0.0009 <br />0.00001 (rot. rec) <br />Molybdenum <br />unless snood <br />otherwise) <br />Purgaooire adjacent to <br />Preparation <br />Flooded workings <br />Fboded workings <br />Predicted water <br />Quality at Mean <br />NPDES <br />Effluent <br />Receiving <br />Stream <br /><0.02 <br />the Plant' <br />NEw-4z <br />Projection' <br />Low Flow 4 <br />Lanitations <br />Standards <br />Ammonia <br />0.45 <br />1.32 <br />0.16 <br />0.43 <br />0.02 <br />0.02 Chronic <br />Arsenic <br /><0.001 (Trec) <br />0.006 (Trec) <br /><0.005 (Trec) <br /><0.001 <br />0.3 <br />0.050 Acute <br />Bicarbonate <br />50 <br />1150 <br />215 <br />60 <br />7.8 <br />6.5-9 6.5-9 <br />Boron <br /><0.02 <br />0.03 <br />0.02 <br /><0.02 <br />0.75 <br />Calcium <br />23 <br />6 <br />< 1 <br />22 <br />Silver <br /><0.01 <br />Cadmium <br /><0.005 <br />0.005 <br />0.0013 <br /><0.005 <br />0.008 Acute <br />0.002 Chronic <br />Sodium <br />3 <br />518 <br />0.001 Chronic <br />Chloride <br /><1 <br />8 <br />72 <br /><5 <br /><7.95 <br />0.65 <br />Copper <br /><0.01 <br /><0.01 <br />0.01 <br /><0.01 <br />296 <br />250 <br />0.014 Acute <br />(umbos/cm) <br />0.010 Chronic <br />Fluoride <br />1.9 <br />2 <br />15 <br />1.9 <br />Total Dissolved <br />Solids <br />98 <br />Iron (dissolved) <br /><0.02 <br /><0.1 (Trec) <br />0.08 <br />0.06 (Trec) <br />0.03 <br /><0.05 <br /><0.02 <br />0.675 <br />0.3 (diss) <br /><0.05 <br />0.02 <br />0.096 Acute <br /><0.1 <br />1.0 (tot. rec) <br />Lead <br /><0.02 <br /><0.02 <br /><0.005 <br /><0.02 <br />0.067 Acute <br />0.003 Chronic <br />Magnesium <br />3 <br />3 <br /><0.5 <br /><3 <br />=w�n� <br />' NPDES Sradad Car Taer(Gm <br />" <br />Stonewall and 0.27 cf3 dwlwp <br />b 3 mg/l average. and 7 mg/I daily mast Gan fie flooded walmgs. <br />Manganese <br /><0.01 (Disc) <br /><0.05 (Trec) <br /><0.01 <br /><0.01 <br /><0.01 <br /><0.01 <br />0.05 (diss) <br /><0.01 <br /><0.05 <br />Chronic <br />1.0 (tot. rec) <br />Chronic <br />Mercury <br /><0.0010 (Trec) <br /><0.0002 (Trec) <br />NA <br /><0.0009 <br />0.00001 (rot. rec) <br />Molybdenum <br /><0.01 <br />0.02 <br />NA <br /><0.01 <br />Nickel <br /><0.02 <br /><0.02 <br />0.01 <br /><0.02 <br />0.781 Acute <br />0.081 Chronic <br />Nitrate as N <br />0.17 <br />0.02 <br />0.38 <br />0.18 <br />10 0.081 Chronic <br />Nitrite as N <br /><0.01 <br /><0.01 <br />0.3 <br /><0.03 <br />0.05 0.05 <br />pH (S.U.) <br />7.8 <br />8.4 <br />8.2 <br />7.8 <br />6.5-9 6.5-9 <br />Potassium <br />< 1 <br />4 <br />< 1 <br />I <br />Selenium <br />0.001(Trec) <br />0.001 <br />0.007 <br />0.001 <br />0.01 (Trec) <br />Silver <br /><0.01 <br /><0.01 <br /><0.003 <br /><0.01 <br />0.001 Acute <br />0.002 Chronic <br />Sodium <br />3 <br />518 <br />39 <br />5 <br />SAR <br />0.16 <br />43.62 <br /><7.95 <br />0.65 <br />Specific <br />Uonductivity <br />255 <br />2010 <br />900 <br />296 <br />(umbos/cm) <br />Sulfate <br />10 <br />128 <br />130 <br />18 <br />250 <br />Total Dissolved <br />Solids <br />98 <br />1280 <br />510 <br />124 <br />Zinc <br />0.02 <br />0.02 <br /><0.05 <br />0.02 <br />0.096 Acute <br />0 099 Chronic <br />acgnmed &2W%- <br />' Esmnam denied tiara hm <br />=w�n� <br />' NPDES Sradad Car Taer(Gm <br />" <br />Stonewall and 0.27 cf3 dwlwp <br />b 3 mg/l average. and 7 mg/I daily mast Gan fie flooded walmgs. <br />Acute and Atonic swAard3 based on a hardness of 80 mg& <br />22 <br />(Revised 2/6/95) <br />