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40 C.F.R. § 471.55

Pretreatment standards for new sources (PSNS).

§ 471.55 Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart 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 (PSNS). The mass of wastewater pollutants in the refractory metals forming process wastewater shall not exceed the values set forth below:

(a) Rolling spent neat oils and graphite based lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.

(b) Rolling spent emulsions.

Subpart E—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of refractory metals rolled with emulsions
Copper0.5490.262
Nickel0.2360.159
Fluoride25.511.3
Molybdenum2.160.957

(c) Drawing spent lubricants—subpart E—PSNS. There shall be no discharge of process wastewater pollutants.

(d) Extrusion spent lubricants—subpart E—NSPS. There shall be no discharge of process wastewater pollutants.

(e) Extrusion press hydraulic fluid leakage.

Subpart E—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/off-kg (pounds per million off-pounds) of refractory metals extruded
Copper1.530.726
Nickel0.6550.441
Fluoride70.831.4
Molybdenum5.992.66
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