40 CFR 464.46: Pretreatment standards for new sources.

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.

(a) Casting Quench Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

kg/1,000 kkg (pounds per million pounds) of metal poured

Copper (T) 0.0344 0.0187

Lead (T) 0.0237 0.0116

Zinc (T) 0.0339 0.0129

TTO 0.093 0.0304

Oil and grease (for alternate monitoring) 1.34 0.446

(b) Die Casting Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

kg/1,000 kkg (pounds per million pounds) of metal poured

Copper (T) 0.0066 0.0036

Lead (T) 0.0046 0.0022

Zinc (T) 0.0066 0.0025

Total phenols 0.0074 0.0026

TTO 0.0196 0.0064

Oil and grease (for alternate monitoring) 0.259 0.0864

(c) Melting Furnace Scrubber Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

kg/62.3 million Sm 3 (pounds per billion SCF) of air scrubbed

Copper (T) 1.56 0.852

Lead (T) 1.07 0.527

Zinc (T) 1.54 0.588

Total phenols 1.74 0.608

TTO 3.95 1.29

Oil and grease (for alternate monitoring) 60.8 20.3

(d) Mold Cooling Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

kg/1,000 kkg (pounds per million pounds) of metal poured

Copper (T) 0.304 0.166

Lead (T) 0.209 0.103

Zinc (T) 0.3 0.114

TTO 0.821 0.268

Oil and grease (for alternate monitoring) 11.8 3.94