40 CFR § 420.44 - New source performance standards (NSPS).
§ 420.44 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) Basic oxygen furnace steelmaking—semi-wet; and electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.
(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.
Subpart D
1 Within the range of 6.0 to 9.0.
(c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet.
Subpart D
1 Within the range of 6.0 to 9.0.
[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]