1. "Emissions unit" means emissions unit as defined in Section R307-415-3.
2. "Large Major Source" means a major source that emits or has the potential to emit 2,500 tons or more per year of oxides of sulfur, oxides of nitrogen, or carbon monoxide, or that emits or has the potential to emit 250 tons or more per year of PM10, PM2.5, volatile organic compounds, or ammonia.
3. "Lead" means elemental lead and the portion of its compounds measured as elemental lead.
4. "Major Source" means major source as defined in Section R307-415-3.

The following additional definitions apply to Rule R307-150:

KEY: air pollution, reports, inventories

Date of Last Change: August 1, 2025

Notice of Continuation: November 1, 2023

Authorizing, and Implemented or Interpreted Law: 19-2-104(1)(c)