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for daily average discharge and 4 ■g/L for daily maximum discharge.* Our <br /> results show that the drain-water sampled from Mt. Linnaeus 08 exceeds this <br /> limit. <br /> As seen in Table 3, no standards were exceeded in samples from La Sal Creek <br /> above or below the mines. The values for samples from the Glade Pit Were also <br /> all below standards and were on the order of those seen in La Sal Creek. <br /> Table 1 . EPA and State of Utah Drinking <br /> Water Quality Standardsa <br /> Standards <br /> ' EPA <br /> Constituent Primarvb Utahc <br /> i <br /> Arsenic 0.03 0.05 <br /> Barium 1.00 1.00 <br /> Cadmium 0.01 0.01 <br /> _ Chromium 0.05 0.05 <br /> Iron -- 0.30 <br /> Lead 0.05 0.05 <br /> Manganese -- 0.03 <br /> j— Mercury 0.002 0.002 <br /> PH (S.U. ) -- 6.5-9.0 <br /> Selenium 0.01 0.01 <br /> Silver 0.05 0.05 <br /> zinc -- 5.00 <br /> Ra-228 and Ra-228 5 5 <br /> combined (pCi/L) <br /> Gross Alpha (pCi/L)d 15 15 <br /> Gross Beta (pCi/L)e 50 SO <br /> aAll values are given in ■g/L, except as <br /> specifically designated otherwise. There are no <br /> standards for radium-228, uranium, molybdenum, <br /> vanadium, or gross beta. <br /> bEPA National Primary Drinking Water <br /> Regulations, 40 CFR 141. <br /> cUtah State Division of Health, Wastewater <br /> Disposal Regulations, Part II--Standards of <br /> Quality for Waters of the State. <br /> dGross alpha includes Ra-226 but not radon <br /> and uranium activity. <br /> evalue given is a pollution indicator, not a <br /> standard. If this level is exceeded, further <br /> investigations should be conducted. <br /> *Potential Health and Eavironmental Hazards of Uranium Mine Wastes, EPA <br /> 520/1-6-83-007. U.S. Environmental Protection Agency, Office of Radiation <br /> Programs, Washington. D.C. , Jure 10, 1983. <br /> 3 <br />