40 CFR 415.420 - Applicability; description of the hydrogen cyanide production subcategory.
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This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works resulting from the production of hydrogen cyanide by the Andrussow process.
Title 40 published on 2014-07-01.
No entries appear in the Federal Register after this date, for 40 CFR Part 415.