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/m 2 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 ft 2 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 [47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36543, Sept. 6, 1985]