40 CFR § 60.670 Applicability and designation of affected …
60.670 Applicability and designation of affected facility. § 60.670 Applicability and designation of affected facility. (a)(1) Except as provided in paragraphs (a)(2), (b), (c), and (d) of this section, the provisions of this subpart are applicable to the following affected facilities in fixed or portable nonmetallic mineral processing plants: each crusher, grinding mill, screening operation ...