The provisions of 40 CFR 122.44 (relating to establishing limitations, standards, and other permit conditions (applicable to State NPDES programs, see 123.25)) are incorporated by reference.
25 Pa. Code § 92a.44
This section cited in 25 Pa. Code § 92a.3 (relating to incorporation of Federal regulations by reference); and 25 Pa. Code § 92a.51 (relating to schedules of compliance).