Primary magnesium refining

Primary magnesium refining means the production of magnesium metal and magnesium metal alloys from natural sources of magnesium chloride such as sea water or water from the Great Salt Lake and magnesium bearing ores.

Source

40 CFR § 63.9942

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Scoping language

Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows:

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