Aluminum, Copper and Other Nonferrous Foundry Area SourcesNational Emission Standards for Hazardous Air Pollutants (NESHAP) for Area Sources: Aluminum, Copper, and Other Nonferrous Foundries.
40 CFR 63, Subpart ZZZZZZ
This NESHAP applies to a facility that owns or operates an aluminum, copper or other nonferrous foundry that is an area source of hazardous air pollutants (HAP). The standard applies to existing foundries that melt and new foundries that the have the potential to melt at least 600 tons per year of aluminum, copper and other non-ferrous metals. In addition to the melt threshold, foundries must also use materials that contain one or more foundry metal HAPs for the NESHAP to be applicable.
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