Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
All TitlesTitle 40Chapter IPart 421Subpart M - Subpart M—Secondary Lead Subcategory
View all text of Subpart M [§ 421.130 - § 421.137]
§ 421.134 - Standards of performance for new sources.

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

(a) Subpart M—Battery Cracking.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead scrap produced
Antimony1.299.579
Arsenic.936.384
Lead.189.087
Zinc.687.283
Ammonia (as N).000.000
Total suspended solids10.1008.076
pH( 1)( 1)

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

(b) Subpart M—Blast, Reverberatory, or Rotary Furnace Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from smelting
Antimony5.0382.245
Arsenic3.6281.488
Lead.731.339
Zinc2.6621.096
Ammonia (as N)0.0000.000
Total suspended solids39.15031.320
pH( 1)( 1)

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

(c) Subpart M—Kettle Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from refining
Antimony.000.000
Arsenic.000.000
Lead.000.000
Zinc.000.000
Ammonia (as N).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 M—Lead Paste Desulfurization.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead processed through desulfurization
Antimony.000.000
Arsenic.000.000
Lead.000.000
Zinc.000.000
Ammonia (as N).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 M—Casting Contact Cooling.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead cast
Antimony.042.019
Arsenic.031.013
Lead.006.003
Zinc.022.009
Ammonia (as N).000.000
Total suspended solids.330.264
pH( 1)( 1)

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

(f) Subpart M—Truck Wash.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from smelting
Antimony.041.018
Arsenic.029.012
Lead.006.003
Zinc.021.009
Ammonia (as N).000.000
Total suspended solids.315.252
pH( 1)( 1)

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

(g) Subpart M—Facility Washdown.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from smelting
Antimony.000.000
Arsenic.000.000
Lead.000.000
Zinc.000.000
Ammonia (as N).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 M—Battery Case Classification.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead scrap produced
Antimony.000.000
Arsenic.000.000
Lead.000.000
Zinc.000.000
Ammonia (as N).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 M—Employee Handwash.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from smelting
Antimony.052.023
Arsenic.038.015
Lead.008.004
Zinc.028.011
Ammonia (as N).000.000
Total suspended solids.405.324
pH( 1)( 1)

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

(j) Subpart M—Employee Respirator Wash.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from smelting
Antimony.085.038
Arsenic.061.025
Lead.012.006
Zinc.045.018
Ammonia (as N).000.000
Total suspended solids.660.528
pH( 1)( 1)

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

(k) Subpart M—Laundering of Uniforms.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of lead produced from smelting
Antimony.247.110
Arsenic.178.073
Lead.036.017
Zinc.131.054
Ammonia (as N).000.000
Total suspended solids1.9201.536
pH( 1)( 1)

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

[49 FR 8826, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316 (b) andc, 1317 (b) andc,1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.
cite as: 40 CFR 421.134
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