§ 471.105 — Pretreatment Standards For New Sources (psns)

Except as provided in 40 CFR 403.7, any new source subject to this subject 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 metal powders process wastewater introduced into a POTW shall not exceed the following values:

(a) Metal powder production atomization wastewater.

Subpart J—PSNS

(b) Sizing spent emulsions.

Subpart J—PSNS

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

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

Subpart J—PSNS

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—PSNS

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

(g) Sawing or grinding spent emulsions.

Subpart J—PSNS

(h) Sawing or grinding contact cooling water.

Subpart J—PSNS

(i) Hot pressing contact cooling water.

Subpart J—PSNS

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—PSNS

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