[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR410.74] [Page 189] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 410_TEXTILE MILLS POINT SOURCE CATEGORY--Table of Contents Subpart G_Stock and Yarn Finishing Subcategory Sec. 410.74 Pretreatment standards for existing sources (PSES). Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.