40 CFR 464.35: Pretreatment standards for existing sources.

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 achieve the following pretreatment standards for existing sources.

(a) Casting Cleaning Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 0.0129 0.0071

Lead (T) 0.0237 0.0116

Zinc (T) 0.0437 0.0165

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 0.0129 0.0071

Lead (T) 0.0353 0.0174

Zinc (T) 0.0656 0.025

(b) Casting Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 0.0138 0.0076

Lead (T) 0.0252 0.0124

Zinc (T) 0.0466 0.0176

TTO 0.0257 0.00838

Oil and grease (for alternate monitoring) 1.43 0.476

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 0.0138 0.0076

Lead (T) 0.0376 0.0185

Zinc (T) 0.0699 0.0266

TTO 0.0257 0.00838

Oil and grease (for alternate monitoring) 1.43 0.476

(c) Dust Collection Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 0.218 0.12

Lead (T) 0.398 0.195

Zinc (T) 0.736 0.278

Total Phenols 0.646 0.225

TTO 2.04 0.664

Oil and Grease (for alternate monitoring) 22.5 7.51

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 0.218 0.12

Lead (T) 0.593 0.293

Zinc (T) 1.1 0.421

Total Phenols 0.656 0.225

TTO 2.04 0.664

Oil and Grease (for alternate monitoring) 22.5 7.51

(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.

(e) Investment Casting. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 3.19 1.76

Lead (T) 5.84 2.86

Zinc (T) 10.8 4.07

TTO 13.2 4.3

Oil and Grease (for alternate monitoring) 330 110

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 3.19 1.76

Lead (T) 8.7 4.3

Zinc (T) 16.2 6.17

TTO 13.2 4.3

Oil and Grease (for alternate monitoring) 330 110

(f) Melting Furnace Scrubber Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 1.02 0.561

Lead (T) 1.86 0.911

Zinc (T) 3.44 1.30

Total phenols 3.01 1.05

TTO 8.34 2.73

Oil and grease (for alternate monitoring) 105 35

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 1.02 0.561

Lead (T) 2.77 1.37

Zinc (T) 5.15 1.96

Total phenols 3.01 1.05

TTO 8.34 2.73

Oil and grease (for alternate monitoring) 105 35

(g) Mold Cooling Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 0.0428 0.0236

Lead (T) 0.0783 0.0384

Zinc (T) 0.145 0.0546

TTO 0.0797 0.026

Oil and grease (for alternate monitoring) 4.43 1.48

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 0.0428 0.0236

Lead (T) 0.117 0.0576

Zinc (T) 0.217 0.0827

TTO 0.0797 0.026

Oil and grease (for alternate monitoring) 4.43 1.48

(h) Slag Quench Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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) 0.0527 0.0291

Lead (T) 0.0964 0.0473

Zinc (T) 0.178 0.0673

TTO 0.0257 0.00838

Oil and grease (for alternate monitoring) 5.46 1.82

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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) 0.0527 0.0291

Lead (T) 0.144 0.0709

Zinc (T) 0.267 0.102

TTO 0.0257 0.00838

Oil and grease (for alternate monitoring) 5.46 1.82

(i) West Sand Reclamation Operations. (1) Applicable to plants that are casting primarily ductile iron, to plants that are casting primarily malleable iron where greater than 3,557 tons of metal are poured per year, and to plants that are casting gray iron where greater than 1,784 tons of metal are poured per year.

PSES

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

kg/1,000 kkg (pounds per million pounds) of sand reclaimed

Copper (T) 0.217 0.12

Lead (T) 0.396 0.194

Zinc (T) 0.732 0.276

Total Phenols 0.642 0.224

TTO 1.18 0.386

Oil and grease (for alternate monitoring) 22.4 7.47

(2) Applicable to plants that are casting primarily steel, to plants that are casting primarily malleable iron where equal to or less than 3,557 tons of metal are poured per year, and to plants that are casting primarily gray iron where equal to or less than 1,784 tons of metal are poured per year.

PSES

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

kg/1,000 kkg (pounds per million pounds) of sand reclaimed

Copper (T) 0.217 0.12

Lead (T) 0.59 0.291

Zinc (T) 1.1 0.418

Total Phenols 0.642 0.224

TTO 1.18 0.386

Oil and grease (for alternate monitoring) 22.4 7.47