40 C.F.R. § 408.105
Standards of performance for new sources.
Cite as 40 C.F.R. § 408.105 (2026)
The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart: No pollutants may be discharged which exceed 1.27 cm (0.5 inch) in any dimension. [40 FR 55781, Dec. 1, 1975]