[Code of Federal Regulations] [Title 40, Volume 26] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR420.50] [Page 408] TITLE 40-PROTECTION OF ENVIRONMENT CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 420-IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart E-Vacuum Degassing Subcategory Sec. 420.50 Applicability; description of the vacuum degassing subcategory. The provisions of this subpart are applicable to discharges and to the introduction of pollutants into publicly owned treatment works resulting from vacuum degassing operations conducted by applying a vacuum to molten steel.