40 C.F.R. § 420.84

Current through September 30, 2024
Section 420.84 - New source performance standards (NSPS)

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a)Salt bath descaling, oxidizing -
(1)Batch, sheet and plate.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.2040.0876
Chromium0.002920.00117
Nickel0.002630.000876
pH(1)(1)

1 Within the range of 6.0 to 9.0.

(2)Batch, rod and wire.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.1230.0526
Chromium0.001750.000701
Nickel0.001580.000526
pH(1)(1)

1 Within the range of 6.0 to 9.0.

(3)Batch, pipe and tube.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.4960.213
Chromium0.007090.00284
Nickel0.006380.00213
pH(1)(1)

1 Within the range of 6.0 to 9.0.

(4)Continuous.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09640.0413
Chromium0.001380.000551
Nickel0.001240.000413
pH(1)(1)

1 Within the range of 6.0 to 9.0.

(b)Salt bath descaling, reducing -
(1)Batch.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.09490.0407
Cyanide0.001020.000339
Chromium0.001360.000542
Nickel0.001220.000407
pH(1)(1)

1 Within the range of 6.0 to 9.0.

(2)Continuous.

Subpart H

Pollutant or pollutant propertyNew source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of product
TSS0.5320.228
Cyanide0.005690.00190
Chromium0.007590.00304
Nickel0.006830.00228
pH(1)(1)

1 Within the range of 6.0 to 9.0.

40 C.F.R. §420.84