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