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Code of Federal Regulations Title 40. Protection of Environment § 40.421.74 Standards of performance for new sources

Current as of January 02, 2025 | Updated by Findlaw Staff

Any new source subject to this subpart must achieve the following performance standards:

(a) Subpart G—Sinter Plant Materials Handling Wet Air Pollution Control.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of sinter production
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.

(b) Subpart G—Blast Furnace Wet Air Pollution Control.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of blast furnace 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.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of blast furnace 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.

(d) Subpart G—Dross Reverberatory Slag Granulation.

NSPS
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	.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.

(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.

NSPS
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	.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.

(f) Subpart G—Zinc Fuming Wet Air Pollution Control.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of blast furnace 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.

(g) Subpart G—Hard Lead Refining Slag Granulation.

NSPS
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 Wet Air Pollution Control.

NSPS
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.

(i) Subpart G—Facility Washdown.

NSPS
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.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of lead bullion produced
Lead	.924	.429
Zinc	3.366	1.386
Total suspended solids	49.500	39.600
pH	(¹)	(¹)

¹ Within the range of 7.5 to 10.0 at all times.

(k) Subpart G—Respirator Wash.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of lead bullion produced
Lead	1.484	.689
Zinc	5.406	2.226
Total suspended solids	79.500	63.600
pH	(¹)	(¹)

¹ Within the range of 7.5 to 10.0 at all times.

(l) Subpart G—Laundering of Uniforms.

NSPS
Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kkg (pounds per billion pounds) of lead bullion produced
Lead	4.340	2.015
Zinc	15.810	6.510
Total suspended solids	232.500	186.000
pH	(¹)	(¹)

¹ Within the range of 7.5 to 10.0 at all times.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.421.74 Standards of performance for new sources - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-421-74/

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