[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: 40CFR421.75] [Page 486-487] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 421_NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart G_Primary Lead Subcategory Sec. 421.75 Pretreatment standards for existing sources. 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 mut comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in primary lead process wastewater introduced into a POTW shall not exceed the following values: (a) Subpart G--Sinter Plant Materials Handling Wet Air Pollution Control. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of sinter production ------------------------- Lead.......................................... 100.800 46.800 Zinc.......................................... 367.200 151.200 ------------------------------------------------------------------------ (b) Subpart G--Blast Furnace Wet Air Pollution Control. PSES ------------------------------------------------------------------------ Maximum for Pollutant or polluntant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pound per billion pounds) of blast furnance lead bullion produced ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (c) Subpart G--Blast Furnace Slag Granulation. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pound per billion pounds) of blast furance lead bullion produced ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (d) Subpart G--Dross Reverberatory Slag Granulation. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated ------------------------- Lead.......................................... 1,612.000 748.400 Zinc.......................................... 5,872.000 2,418.000 ------------------------------------------------------------------------ (e) Subpart G--Dross Reverberatory Furnance Wet Air Pollution Control. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of dross reverberatory furnace production ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (f) Subpart G--Zinc Fuming Wet Air Pollution Control. [[Page 487]] PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (g) Subpart G--Hard Lead Refining Slag Granulation. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of hard lead produced ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (h) Subpart G--Hard Lead Refining Wet Air Pollution Control. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of hard lead produced ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (i) Subpart G--Facility Washdown. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced. ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 ------------------------------------------------------------------------ (j) Subpart G--Employee Handwash. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced ------------------------- Lead.......................................... .924 .429 Zinc.......................................... 3.366 1.386 ------------------------------------------------------------------------ (k) Subpart G--Respirator Wash. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced ------------------------- Lead.......................................... 1.484 .689 Zinc.......................................... 5.406 2.226 ------------------------------------------------------------------------ (l) Subpart G--Laundering of Uniforms. PSES ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced ------------------------- Lead.......................................... 4.340 2.015 Zinc.......................................... 15.810 6.510 ------------------------------------------------------------------------