40 C.F.R. § 421.54

Current through September 30, 2024

Section 421.54 - Standards of performance for new sources

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart E-Casting Contact Cooling.

NSPS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kg (pounds per million pounds) of copper cast
Arsenic	.692	.309
Copper	.638	.304
Nickel	.274	.184
Total suspended solids	7.470	5.976
pH	(1)	(1)

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

(b) Subpart E-Anode and Cathode Rinse.

NSPS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kg (pounds per million pounds) of cathode copper production
Arsenic	.000	.000
Copper	.000	.000
Nickel	.000	.000
Total suspended solids	.000	.000
pH	(1)	(1)

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

(c) Subpart E-Spent Electrolyte.

NSPS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kg (pounds per million pounds) of copper cathode production
Arsenic	.068	.031
Copper	.063	.030
Nickel	.027	.018
Total suspended solids	.735	.588
pH	(1)	(1)

¹ Within the range 7.5 to 10.0 at all times.

(d) Subpart E-Casting Wet Air Pollution Control.

NSPS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kg (pounds per million pounds) of casting production
Arsenic	.000	.000
Copper	.000	.000
Nickel	.000	.000
Total suspended solids	.000	.000
pH	(1)	(1)

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

(e) Subpart E-By-Product Recovery.

NSPS

Pollutant or pollutant property	Maximum for any 1 day	Maximum for monthly average
	mg/kg (pounds per million pounds) of product recovered from electrolytic slimes processing
Arsenic	.000	.000
Copper	.000	.000
Nickel	.000	.000
Total suspended solids	.000	.000
pH	(1)	(1)

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

40 C.F.R. §421.54

49 FR 8801, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984