CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 466—PORCELAIN ENAMELING POINT SOURCE CATEGORY > SUBPART A—Steel Basis Material Subcategory (§466.10 to §466.15) > 466.12—Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

466.12—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—BAT Effluent Limitations
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 16.82 0.53 6.81 0.22
Lead 6.01 0.19 5.21 0.16
Nickel 56.50 1.78 40.05 1.26
Zinc 53.30 1.68 22.43 0.71
Aluminum 182.00 5.74 74.48 2.35
Iron 112.12 3.53 56.06 1.77
English Units—pounds per 1 million ft2 of area processed or coated
Chromium 3.45 0.11 1.4 0.05
Lead 1.23 0.04 1.07 0.03
Nickel 11.57 0.37 8.20 0.26
Zinc 10.91 0.35 4.60 0.15
Aluminum 37.32 1.18 15.26 0.48
Iron 22.96 0.72 11.48 0.36

Code of Federal Regulations

[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36543, Sept. 6, 1985]
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—BAT Effluent Limitations
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 16.82 0.53 6.81 0.22
Lead 6.01 0.19 5.21 0.16
Nickel 56.50 1.78 40.05 1.26
Zinc 53.30 1.68 22.43 0.71
Aluminum 182.00 5.74 74.48 2.35
Iron 112.12 3.53 56.06 1.77
English Units—pounds per 1 million ft2 of area processed or coated
Chromium 3.45 0.11 1.4 0.05
Lead 1.23 0.04 1.07 0.03
Nickel 11.57 0.37 8.20 0.26
Zinc 10.91 0.35 4.60 0.15
Aluminum 37.32 1.18 15.26 0.48
Iron 22.96 0.72 11.48 0.36

Code of Federal Regulations

[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36543, Sept. 6, 1985]