CFR › Title 40 › Part 437 › §437.1440 CFR §437.14Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Except as provided in § 437.10(b), any new source subject to this subpart must achieve the following performance standards:(b)In-plant standards for cyanide are the same as the limitations specified in § 437.11(b).