40 CFR 440.10 - Applicability; description of the iron ore subcategory.
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The provisions of this subpart A are applicable to discharges from (a) mines operated to obtain iron ore, regardless of the type of ore or its mode of occurrence; (b) mills beneficiating iron ores by physical (magnetic and nonmagnetic) and/or chemical separation; and (c) mills beneficiating iron ores by magnetic and physical separation in the Mesabi Range.
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.