Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XXVII - Primary Rare Earth Metals
Section NR 274.271 - Specialized definitions
Universal Citation: WI Admin Code ยง NR 274.271
Current through August 26, 2024
The following definitions apply to the terms used in this subchapter:
(1) "Rare earth metals" means the elements scandium, yttrium and lanthanum to lutetium, inclusive.
(2) "Mischmetal" means a rare earth metal alloy comprised of the natural mixture of rare earths to 94% to 99% with the remainder of the alloy including traces of other elements and 1% to 2% iron.
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