Blast furnace

Blast furnace means a smelting furnace consisting of a vertical cylinder atop a crucible, into which lead-bearing charge materials are introduced at the top of the furnace and combustion air is introduced through tuyeres at the bottom of the cylinder, and that uses coke as a fuel source and that is operated at such a temperature in the combustion zone (greater than 980 Celsius) that lead compounds are chemically reduced to elemental lead metal.

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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