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.

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

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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

(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

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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.

BPT Effluent Limitations

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly 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.