Regulations last checked for updates: Jun 01, 2024

Title 40 - Protection of Environment last revised: May 30, 2024
§ 465.10 - Applicability; description of the steel basis material subcategory.

This subpart applies to discharges to waters of the United States, and introductions of pollutants into publicly owned treatment works from coil coating of steel basis material coils.

§ 465.11 - Effluent limitations 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 must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available:

Subpart A

Pollutant or pollutant property BPT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium1.16(0.24)0.47(0.096)
Cyanide0.80(0.17)0.33(0.068)
Zinc3.66(0.75)1.54(0.32)
Iron3.39(0.70)1.74(0.36)
Oil and grease55.1(11.3)33.1(6.77)
TSS113.0(23.1)55.1(11.3)
pH( 1)( 1)( 1)( 1)

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

[47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984]
§ 465.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:

Subpart A

Pollutant or pollutant property BAT effluent limitations
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium0.50(0.10)0.20(0.041)
Cyanide0.34(0.07)0.14(0.029)
Zinc1.56(0.32)0.66(0.14)
Iron1.45(0.30)0.74(0.15)
[47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984]
§ 465.13 - New source performance standards.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:

Subpart A

Pollutant or pollutant property NSPS
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium0.12(0.024)0.047(0.01)
Cyanide0.063(0.013)0.025(0.005)
Zinc0.33(0.066)0.14(0.027)
Iron0.39(0.086)0.20(0.041)
Oil and grease3.16(0.65)3.16(0.65)
TSS4.74(0.97)3.79(0.78)
pH( 1)( 1)( 1)( 1)

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

[47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984]
§ 465.14 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing 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 retreatment standards for existing sources. The mass of wastewater pollutants in coil coating process wastewater introduced into a POTW shall not exceed the following values:

Subpart A

Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pound per 1 million ft 2) of area processed
Chromium0.50(0.10)0.20(0.041)
Cyanide0.34(0.07)0.14(0.029)
Zinc1.56(0.32)0.66(0.14)
[47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984]
§ 465.15 - Pretreatment standards for new sources.

Except as provided in CFR 403.7, 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. The mass of wastewater pollutants in coil coating process wastewater introduced into a POTW shall not exceed the following values:

Subpart A

Pollutant or pollutant property PSNS
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium0.12(0.024)0.047(0.01)
Cyanide0.063(0.013)0.025(0.005)
Zinc0.33(0.066)0.14(0.027)
[47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984]
source: 47 FR 54244, Dec. 1, 1982, unless otherwise noted.
cite as: 40 CFR 465.11