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e-CFR data is current as of November 24, 2020

Title 40Chapter ISubchapter NPart 464Subpart C → §464.35


Title 40: Protection of Environment
PART 464—METAL MOLDING AND CASTING POINT SOURCE CATEGORY
Subpart C—Ferrous Casting Subcategory


§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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.01290.0071
Lead (T)0.02370.0116
Zinc (T)0.04370.0165

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.01290.0071
Lead (T)0.03530.0174
Zinc (T)0.06560.025

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.01380.0076
Lead (T)0.02520.0124
Zinc (T)0.04660.0176
TTO0.02570.00838
Oil and grease (for alternate monitoring)1.430.476

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.01380.0076
Lead (T)0.03760.0185
Zinc (T)0.06990.0266
TTO0.02570.00838
Oil and grease (for alternate monitoring)1.430.476

(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 Sm3 (pounds per billion SCF) of air scrubbed
Copper (T)0.2180.12
Lead (T)0.3980.195
Zinc (T)0.7360.278
Total Phenols0.6460.225
TTO2.040.664
Oil and Grease (for alternate monitoring)22.57.51

(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 Sm3 (pounds per billion SCF) of air scrubbed
Copper (T)0.2180.12
Lead (T)0.5930.293
Zinc (T)1.10.421
Total Phenols0.6560.225
TTO2.040.664
Oil and Grease (for alternate monitoring)22.57.51

(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)3.191.76
Lead (T)5.842.86
Zinc (T)10.84.07
TTO13.24.3
Oil and Grease (for alternate monitoring)330110

(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)3.191.76
Lead (T)8.74.3
Zinc (T)16.26.17
TTO13.24.3
Oil and Grease (for alternate monitoring)330110

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed
Copper (T)1.020.561
Lead (T)1.860.911
Zinc (T)3.441.30
Total phenols3.011.05
TTO8.342.73
Oil and grease (for alternate monitoring)10535

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/62.3 million Sm3 (pounds per billion SCF) of air scrubbed
Copper (T)1.020.561
Lead (T)2.771.37
Zinc (T)5.151.96
Total phenols3.011.05
TTO8.342.73
Oil and grease (for alternate monitoring)10535

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.04280.0236
Lead (T)0.07830.0384
Zinc (T)0.1450.0546
TTO0.07970.026
Oil and grease (for alternate monitoring)4.431.48

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.04280.0236
Lead (T)0.1170.0576
Zinc (T)0.2170.0827
TTO0.07970.026
Oil and grease (for alternate monitoring)4.431.48

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.05270.0291
Lead (T)0.09640.0473
Zinc (T)0.1780.0673
TTO0.02570.00838
Oil and grease (for alternate monitoring)5.461.82

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of metal poured
Copper (T)0.05270.0291
Lead (T)0.1440.0709
Zinc (T)0.2670.102
TTO0.02570.00838
Oil and grease (for alternate monitoring)5.461.82

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of sand reclaimed
Copper (T)0.2170.12
Lead (T)0.3960.194
Zinc (T)0.7320.276
Total Phenols0.6420.224
TTO1.180.386
Oil and grease (for alternate monitoring)22.47.47

(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 propertyMaximum for any 1 dayMaximum for monthly average
   kg/1,000 kkg (pounds per million pounds) of sand reclaimed
Copper (T)0.2170.12
Lead (T)0.590.291
Zinc (T)1.10.418
Total Phenols0.6420.224
TTO1.180.386
Oil and grease (for alternate monitoring)22.47.47

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

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