40 CFR 418.20 - Applicability; description of the ammonia subcategory.

Regulations last checked for updates: Oct 15, 2026

Title 40 - Protection of Environment last revised: Oct 13, 2026

View all text of Subpart B [§ 418.20 - § 418.27]

§ 418.20 - Applicability; description of the ammonia subcategory.

The provisions of this subpart are applicable to discharges resulting from the manufacture of ammonia. Discharges attributable to shipping losses and cooling tower blowdown are excluded.

[44 FR 64081, Nov. 6, 1979]

authority: 33 U.S.C. 1251

source: 39 FR 12836, April 8, 1974, unless otherwise noted.

cite as: 40 CFR 418.20