40 CFR 439.11 - Special definitions.
For the purpose of this subpart:
(a) Fermentation means process operations that utilize a chemical change induced by a living organism or enzyme, specifically, bacteria, or the microorganisms occurring in unicellular plants such as yeast, molds, or fungi to produce a specified product.
[68 FR 12271, Mar. 13, 2003]
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.