Part 424. PART 424—FERROALLOY MANUFACTURING POINT SOURCE CATEGORY
- SUBPART A [§ 424.10 - § 424.17] - Subpart A—Open Electric Furnaces With Wet Air Pollution Control Devices Subcategory
- SUBPART B [§ 424.20 - § 424.27] - Subpart B—Covered Electric Furnaces and Other Smelting Operations With Wet Air Pollution Control Devices Subcategory
- SUBPART C [§ 424.30 - § 424.37] - Subpart C—Slag Processing Subcategory
- SUBPART D [§ 424.40 - § 424.47] - Subpart D—Covered Calcium Carbide Furnaces With Wet Air Pollution Control Devices Subcategory
- SUBPART E [§ 424.50 - § 424.57] - Subpart E—Other Calcium Carbide Furnaces Subcategory
- SUBPART F [§ 424.60 - § 424.67] - Subpart F—Electrolytic Manganese Products Subcategory
- SUBPART G [§ 424.70 - § 424.77] - Subpart G—Electrolytic Chromium Subcategory