40 CFR 421.72 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

§ 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
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(b) Subpart G—Blast Furnace Wet Air Pollution Control.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(c) Subpart G—Blast Furnace Slag Granulation.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(d) Subpart G—Dross Reverberatory Slag Granulation.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(f) Subpart G—Zinc Fuming Wet Air Pollution Control.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(g) Subpart G—Hard Lead Refining Slag Granulation.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
mg/kkg (pounds per billion pounds) of hard lead produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
(h) Subpart G—Hard Lead Refining Air Pollution Control.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(i) Subpart G—Facility Washdown.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
mg/kkg (pounds per billion pounds) of lead bullion produced
Lead .000 .000
Zinc .000 .000
Total suspended solids .000 .000
pH (1) (1)
(j) Subpart G—Employee Handwash.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(k) Subpart G—Respirator Wash.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(l) Subpart G—Laundering of Uniforms.
BPT Effluent Limitations
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
[49 FR 8803, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
Statutes at Large
Public Laws