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quality, with total dissolved solids contents in excess of 6,000 milligrams per liter, and <br />relatively high dissolved metal concentration (although the uranium concentration is <br />low). This water does not meet drinking water standards. The water is brackish, and is <br />therefore easy to identify by taste. <br />Accordingly, potable groundwater is readily available in all locations on the Ranch, but it would <br />be prudent to limit new water wells to less than 400 feet to avoid the possibility of encountering <br />brackish, metal - bearing orebody water. It is not possible to inadvertently consume orebody <br />water, due to its taste. <br />Summary <br />In summary, the uranium orebodies that underlie part of the South T -Bar Ranch area have no <br />impact on surface activities, and do not affect the availability or quality of groundwater at the <br />Ranch provided wells are not drilled to great depth. <br />Sulfate <br />South T - <br />11 <br />113 <br />11 <br />250a <br />Subdivision <br />Bar Ranch <br />Nitrate as N <br />Filing No.S <br />1.29 <br />0.38 <br />ND <br />10 <br />(m; /1) <br />and 6 <br />Lot No: <br />110 <br />Expected <br />Alluvium <br />Volcanics t <br />Orebod3 <br />Precambrian3 <br />0.3a <br />U.S.EPA <br />Geology <br />Molybdenu <br />ND <br />Thickness <br />0 -50' <br />—500' <br />—100' <br />>1000' <br />Drinking <br />Uranium, <br />0.000 <br />0.026 <br />Water <br />Depth <br />—0 -50' <br />—50 -550' <br />—550 -650' <br />—650'+ <br />Standards ' <br />Water <br />'Quality <br />aver <br />aver <br />j typical <br />, typical <br />MCL (unless <br />? noted) <br />TDS (mg/1) <br />350 <br />540 <br />6083 <br />1360 <br />500 <br />(s.u.) <br />7.0 <br />7.3 <br />7.6 <br />7.5 <br />6.5 - 8.5a <br />(pH <br />Bicarbonate <br />290 <br />425 <br />3150 <br />1120 <br />-- <br />Sulfate <br />24 <br />11 <br />113 <br />11 <br />250a <br />(mg/1) <br />I <br />Nitrate as N <br />16.00 <br />1.29 <br />0.38 <br />ND <br />10 <br />(m; /1) <br />Iron, <br />dissolved <br />ND <br />0.21 <br />0.17 <br />ND <br />0.3a <br />(mg/1) <br />Molybdenu <br />ND <br />0.06 <br /><100 <br />ND <br />- -- <br />m (mg/1) <br />Uranium, <br />0.000 <br />0.026 <br />0.379 1 <br />0.027 <br />0.020t' <br />disc <br />Zinc (mg/1) <br />0.54 <br />0.40 <br />229 <br />0.18 <br />5a <br />Wells on Lot 9 <br />