U.S. Code of Federal Regulations

Regulations most recently checked for updates: Oct 04, 2022

§ 461.33 - New source performance standards (NSPS).

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

(1) Subpart C - Open Formation - Dehydrated - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper2.151.02
Lead0.470.21
Iron2.011.02
Oil and grease16.8016.80
TSS25.2020.16
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(2) Subpart C - Open Formation - Wet - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.0670.032
Lead0.0140.006
Iron0.0630.032
Oil and grease0.530.53
TSS0.800.64
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(3) Subpart C - Plate Soak - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.0260.012
Lead0.0050.002
Iron0.0250.012
Oil and grease0.210.21
TSS0.320.25
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(4) Subpart C - Battery Wash (Detergent) - NSPS.

Pollutant or pollutant Property Maximum for any 1 Day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper1.1520.549
Lead0.2520.117
Iron1.080.55
Oil and grease9.09.0
TSS13.510.8
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(5) Subpart C - Direct Chill Lead Casting - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.0002560.000122
Lead0.0000560.000026
Iron0.0002400.000122
Oil and grease0.00200.0020
TSS0.00300.0024
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(6) Subpart C - Mold Release Formulation - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.00770.0037
Lead0.00170.0008
Iron0.00720.0037
Oil and grease0.0600.060
TSS0.0900.072
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(7) Subpart C - Truck Wash - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead in trucked batteries
English units - pounds per 1,000,000 pounds of lead in trucked batteries
Copper0.0060.003
Lead0.0010.0007
Iron0.0060.003
Oil and grease0.0500.050
TSS0.0750.060
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(8) Subpart C - Laundry - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.140.07
Lead0.030.01
Iron0.130.07
Oil and grease1.091.09
TSS1.641.31
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(9) Subpart C - Miscellaneous Wastewater Streams - NSPS.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units - mg/kg of lead used
English units - pounds per 1,000,000 pounds of lead used
Copper0.390.19
Lead0.0850.039
Iron0.370.19
Oil and grease3.073.07
TSS4.613.69
pH( 1)( 1)

1 Within the limits of 7.5 to 10.0 at all times.

(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.

[49 FR 9134, Mar. 9, 1984, as amended at 51 FR 30816, Aug. 28, 1986]