A county shall submit to the Department a municipal waste plan revision under this subchapter. For purposes of this subchapter, the term"county" includes cities of the first class, but does not include counties of the first class.
25 Pa. Code § 272.211
This section cited in 25 Pa. Code § 271.1 (relating to definitions); and 25 Pa. Code § 272.221 (relating to scope).