40 C.F.R. § 464.46

Current through September 30, 2024
Section 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)0.03440.0187
Lead (T)0.02370.0116
Zinc (T)0.03390.0129
TTO0.0930.0304
Oil and grease (for alternate monitoring)1.340.446

(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)0.00660.0036
Lead (T)0.00460.0022
Zinc (T)0.00660.0025
Total phenols0.00740.0026
TTO0.01960.0064
Oil and grease (for alternate monitoring)0.2590.0864

(c)Melting Furnace Scrubber Operations.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed
Copper (T)1.560.852
Lead (T)1.070.527
Zinc (T)1.540.588
Total phenols1.740.608
TTO3.951.29
Oil and grease (for alternate monitoring)60.820.3

(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)0.3040.166
Lead (T)0.2090.103
Zinc (T)0.30.114
TTO0.8210.268
Oil and grease (for alternate monitoring)11.83.94

40 C.F.R. §464.46

50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986