[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR451.24] [Page 465] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 451_CONCENTRATED AQUATIC ANIMAL PRODUCTION POINT SOURCE CATEGORY--Table of Contents Subpart B_Net Pen Subcategory Sec. 451.24 New source performance standards (NSPS). Any point source subject to this subpart that is a new source must meet the following requirements: The standard is the same as the limitations specified in Sec. 451.21.