[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: 40CFR420.55] [Page 409] 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. 420.55 Pretreatment standards for existing sources (PSES). Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. Subpart E ------------------------------------------------------------------------ Pretreatment standards for existing sources --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Kg/kkg (pounds per 1,000 lb) of product --------------- Lead........................................ 0.0000939 0.0000313 Zinc........................................ 0.000141 0.0000469 ------------------------------------------------------------------------