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Title 40

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Displaying title 40, up to date as of 6/16/2026. Title 40 was last amended 6/15/2026.
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  1. Title 40 —Protection of Environment
  2. Chapter I —Environmental Protection Agency
  3. Subchapter N —Effluent Guidelines and Standards
  4. Part 466 —Porcelain Enameling Point Source Category
  5. Subpart D
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Subpart D—Copper Basis Material Subcategory

§ 466.40 Applicability; description of the copper basis material subcategory.

This subpart applies to discharges to waters of the United States and introductions of pollutants into publicly owned treatment works from porcelain enameling of copper basis materials.

§§ 466.41-466.42 [Reserved]

§ 466.43 New source performance standards.

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

Subpart D—NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metal preparation Coating operation Metal preparation Coating operation
Metric units—mg/m2 of area processed or coated
Chromium 6.23 0.46 2.52 0.19
Lead 1.69 0.13 1.52 0.11
Nickel 9.25 0.69 6.23 0.47
Zinc 17.16 1.29 7.07 0.53
Aluminum 50.97 3.82 20.86 1.56
Iron 20.69 1.55 10.60 0.79
Oil and grease 168.23 12.60 168.23 12.60
TSS 252.35 18.91 201.88 15.12
pH (1) (1) (1) (1)
English units—pounds per 1 million ft2 of area processed or coated
Chromium 1.28 0.10 0.52 0.04
Lead 0.35 0.03 0.31 0.03
Nickel 1.90 0.14 1.28 0.10
Zinc 3.52 0.27 1.45 0.11
Aluminum 10.44 0.78 4.27 0.32
Iron 4.24 0.32 2.17 0.16
Oil and grease 34.46 2.58 34.46 2.58
TSS 51.69 3.87 41.35 3.10
pH (1) (1) (1) (1)
1 Within the range 7.5 to 10.0 at all times.

[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36545, Sept. 6, 1985]

§ 466.44 [Reserved]

§ 466.45 Pretreatment standards for new sources.

Any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources:

Subpart D—PSNS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metal preparation Coating operation Metal preparation Coating operation
Metric units—mg/m2 of area processed or coated
Chromium 6.23 0.46 2.52 0.19
Lead 1.69 0.13 1.52 0.11
Nickel 9.25 0.69 6.23 0.47
Zinc 17.16 1.29 7.07 0.53
English units—pounds per 1 million ft2 of area processed or coated
Chromium 1.28 0.10 0.52 0.04
Lead 0.35 0.03 0.31 0.02
Nickel 1.90 0.14 1.28 0.10
Zinc 3.52 0.27 1.45 0.11

[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36545, Sept. 6, 1985]

eCFR Content