§ 471.101 — Effluent Limitations Representing The Degree Of Effluent Reduction Attainable By The Application Of The Best Practicable Control Technology Currently Available (bpt)

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 for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

(a) Metal powder production atomization wastewater.

Subpart J—BPT

(b) Sizing spent emulsion.

Subpart J—BPT

(c) Oil-resin impregnation wastewater—subpart J—BPT. There shall be no discharge of process wastewater pollutants.

(d) Steam treatment wet air pollution control scrubber blowdown.

Subpart J—BPT

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—BPT

(f) Sawing or grinding spent neat oils—subpart J—BPT. There shall be no discharge of process wastewater pollutants.

(g) Sawing or grinding spent emulsion.

Subpart J—BPT

(h) Sawing or grinding contact cooling water.

Subpart J—BPT

(i) Hot pressing contact cooling water.

Subpart J—BPT

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—BPT

(k) Degreasing spent solvents—subpart J—BPT. There shall be no discharge of process wastewater pollutants.