Section 424.02. Definitions.

  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.

History: Cr. Register, September, 1986, No. 369 , eff. 10-1-86; am. (1) and cr. (2), Register, April, 1988, No. 388 , eff. 5-1-88; cr. (3) to (7), Register, June, 1994, No. 462 , eff. 7-1-94; am. (intro.), Register, October, 1999, No. 526 , eff. 11-1-99.