Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 424 - Control of organic compound emissions from process lines
Section NR 424.02 - Definitions

Universal Citation: WI Admin Code ยง NR 424.02

Current through August 26, 2024

The definitions contained in chs. NR 400, 419, 420 and 421 apply to the terms used in this chapter. In addition, the following definitions apply to the terms used in this chapter:

(1) "Aerosol can filling facility" means any facility which operates one or more aerosol can filling lines.

(2) "Aerosol can filling line" means any process line which inserts aerosol propellants composed of butanes, isobutanes, propanes or any other VOC into cans.

(3) "Fermentation batch" means a fermentation cycle occurring in a fermenter.

(4) "First generation fermenter" means a vessel in which yeast and nutrients are aerated to produce yeast for a trade fermenter.

(5) "Liquid yeast" means a hypothetical weight of yeast determined by multiplying an actual weight of yeast by the actual weight percent solids divided by 30%.

(6) "Stock fermenter" means a vessel in which yeast and nutrients are aerated to produce yeast for a first generation fermenter.

(7) "Trade fermenter" means a vessel in which yeast and nutrients are aerated to produce the final fermentation batch.

Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.