StacksVerified U.S. regulatory reference

40 CFR §98.200

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The magnesium production and processing source category consists of the following processes:
  1. (a)Any process in which magnesium metal is produced through smelting (including electrolytic smelting), refining, or remelting operations.
  2. (b)Any process in which molten magnesium is used in alloying, casting, drawing, extruding, forming, or rolling operations.