§ 471.22 — Effluent Limitations Representing The Degree Of Effluent Reduction Attainable By The Application Of The Best Available Technology Economically Achievable (bat)

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 (BAT):

(a) Rolling spent emulsions.

Subpart B—BAT

(b) Forging spent lubricants—subpart B—BAT. There shall be no discharge of process wastewater pollutants.

(c) Forging contact cooling water.

Subpart B—BAT

(d) Forging equipment cleaning wastewater.

Subpart B—BAT

(e) Direct chill casting contact cooling water.

Subpart B—BAT

(f) Surface treatment spent baths.

Subpart B—BAT

(g) Surface treatment rinse.

Subpart B—BAT

(h) Sawing or grinding spent emulsions.

Subpart B—BAT

(i) Degreasing spent solvents—subpart B—BAT. There shall be no discharge of process wastewater pollutants.

(j) Wet air pollution control scrubber blowdown.

Subpart B—BAT