eCFR Subpart R [ecfr.gov]
This subpart applies to:
- Affected facilities at primary lead smelters that commence construction or modification after Oct 16, 1974.
Affected facilities:
- Sintering machines;
- Sintering machine discharge ends;
- Blast furnaces;
- Dross reverberatory furnaces;
- Electric smelting furnaces;
- Converters.
Standards apply to sulfur dioxide, particulate matter and visible emissions.