§ 57.401. General requirements.
37 words·~1 min read·
/us/cfr/t40/s§ 57.401·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Except as provided in subpart E, each NSO shall require the smelter owner to prevent all violations of the NAAQS in the smelter's designated liability area
(DLA)through the operation of an approved supplementary control system (SCS).