ARSD 74:29:05:06. Treatment of tailings -- Initial sampling and chemical characterization

Prior to the initiation of treatment, effluent or pore water from a tailings impoundment shall be sampled and chemically characterized for the following parameters: (1) Chemical constituents which may be used in or are likely to result from the milling or treatment process; (2) Aluminum, arsenic, barium, beryllium, boron, cadmium, chromium, cobalt, copper, iron, lead, lithium, manganese, mercury, molybdenum, nickel, selenium, silicon, silver, vanadium, and zinc; (3) Major cations and anions, including ammonia, bicarbonate, calcium, carbonate, chloride, magnesium, nitrate, potassium, sodium, and sulfate; (4) pH; (5) Radon, uranium, radium 226, radium 228, total alpha radiation, total gamma radiation; and (6) Total dissolved solids.