[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: 40CFR421.72] [Page 481-483] 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. 421.72 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available: (a) Subpart G--Sinter Plant Materials Handling Wet Air Pollution Control. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of sinter production ------------------------- Lead.......................................... 594.000 270.000 Zinc.......................................... 525.000 219.600 Total suspended solids........................ 14,760.000 7,020.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (b) Subpart G--Blast Furnace Wet Air Pollution Control. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of blast furance lead bullion produced ------------------------- Lead.......................................... .000 .000 Zinc.......................................... .000 .000 Total suspended solids........................ .000 .000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (c) Subpart G--Blast Furnace Slag Granulation. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of blast furance lead bullion produced ------------------------- Lead.......................................... 6,155.000 2,798.000 Zinc.......................................... 5,446.000 2,276.000 Total suspended solids........................ 153,000.000 72,740.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (d) Subpart G--Dross Reverberatory Slag Granulation. BPT Effluent Limitations ------------------------------------------------------------------------ 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.......................................... 9,499.000 4,318.000 Zinc.......................................... 8,405.000 3,512.000 Total suspended solids........................ 236,000.000 112,300.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [[Page 482]] (e) Subpart G--Dross Reverberatory Furnace Wet Air Pollution Control. BPT Effluent Limitations ------------------------------------------------------------------------ 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.......................................... 15,920.000 7,235.000 Zinc.......................................... 14,080.000 5,884.000 Total suspended solids........................ 395,500.000 188,100.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (f) Subpart G--Zinc Fuming Wet Air Pollution Control. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of blast furance lead bullion produced ------------------------- Lead.......................................... 702.900 319.500 Zinc.......................................... 622.000 259.900 Total suspended solids........................ 17,470.000 8,307.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (g) Subpart G--Hard Lead Refining Slag Granulation. BPT Effluent Limitations ------------------------------------------------------------------------ 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 Total suspended solids........................ .000 .000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (h) Subpart G--Hard Lead Refining Air Pollution Control. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of hard lead produced ------------------------- Lead.......................................... 32,730.000 14,880.000 Zinc.......................................... 28,960.000 12,100.000 Total suspended solids........................ 813,300.000 386,800.000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (i) Subpart G--Facility Washdown. BPT Effluent Limitations ------------------------------------------------------------------------ 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 Total suspended solids........................ .000 .000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (j) Subpart G--Employee Handwash. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced ------------------------- Lead.......................................... 5.445 2.475 Zinc.......................................... 4.818 2.013 Total suspended solids........................ 135.300 64.350 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (k) Subpart G--Respirator Wash. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced ------------------------- Lead.......................................... 8.745 3.975 Zinc.......................................... 7.738 3.233 Total suspended solids........................ 217.300 103.400 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (l) Subpart G--Laundering of Uniforms. [[Page 483]] BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kkg (pounds per billion pounds) of lead bullion produced ------------------------- Lead.......................................... 25.580 11.630 Zinc.......................................... 22.630 9.455 Total suspended solids........................ 635.500 302.300 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [49 FR 8803, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]