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?~ ~ <br />TABLE 5. Water Quality Descriptors as Measured Above (Site 301) and <br />Below (Site 302) the Schwartzwalder Mine Waste Rock Piles. <br />Sept. 1983 Dec. 1983 Feb. 1984 May 1984 pug. 1984 <br />301 302 301 302 301 302 301 302 301 302 <br />Sulfate (mg/1) <br />x 13 14 17 16 16 15 <br />n 2 2 1 1 5 5 <br />s.d. - - - - 3 3 <br />u, Conductivity (u6410) <br />N <br />x 1.91 204 182 185 178 178 <br />n 2 2 1 1 5 5 <br />s.d. - - - - 9 12 <br />15 12 <br />3 5 <br />2 3 <br />13 14 <br />3 5 <br />1 1 <br />~ • <br />n <br />PH <br />81 81 181 181 <br />9 5 9 5 <br />1 1 3 3 <br />R° <br />D <br />a <br />LT1 <br />• <br />x 8.1 8.1 7.7 7.7 7.6 7.6 7.7 7.8 B.1 8.2 <br />n 2 2 1 1 5 5 9 5 9 5 <br /> <br />_ --- -- --- -- - _ - - z <br />