40 CFR 418.20 - Applicability; description of the ammonia subcategory.
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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]
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.