Smelting

Smelting means the chemical reduction of lead compounds to elemental lead or lead alloys through processing in high-temperature (greater than 980 Celsius) furnaces including, but not limited to, blast furnaces, reverberatory furnaces, rotary furnaces, and electric furnaces.

Source

40 CFR § 63.542

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Scoping language

Terms used in this subpart are defined in the Clean Air Act, in subpart A of this part, or in this section as follows:

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