40 CFR Part 60 STANDARDS OF PERFORMANCE FOR NEW ...
Subpart AA Standards of Performance for Steel Plants: Electric Arc Furnaces Constructed After October 21, 1974, and On or Before August 17, 1983 (§§ ) Subpart AAa Standards of Performance for Steel Plants: Electric Arc Furnaces and ArgonOxygen Decarburization Vessels Constructed After August 17, 1983 (§§ )