Large foundry
Large foundry means, for an existing affected source, an iron and steel foundry with an annual metal melt production greater than 20,000 tons. For a new affected source, large foundry means an iron and steel foundry with an annual metal melt capacity greater than 10,000 tons.
Source
40 CFR § 63.10906
Scoping language
Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section.