§ 471.104 — Pretreatment Standards For Existing Sources (pses)

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and by August 23, 1988 achieve the following pretreatment standards for existing sources (PSES). 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—PSES

(b) Sizing spent emulsions.

Subpart J—PSES

(c) Oil-resin impregnation wastewater—subpart J—PSES.

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

Subpart J—PSES

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—PSES

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

(g) Sawing or grinding spent emulsions.

Subpart J—PSES

(h) Sawing or grinding contact cooling water.

Subpart J—PSES

(i) Hot pressing contact cooling water.

Subpart J—PSES

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—PSES

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