OAR 340-247: Health Risk-Based Air Quality Standards For Toxic Air Contaminants

6 rules in Division 247, Chapter 340 (Department of Environmental Quality).

  1. OAR 340-247-0010: Purpose and Overview
  2. OAR 340-247-0020: Definitions
  3. OAR 340-247-0030: Toxicity Reference Values
  4. OAR 340-247-0040: Process for Updating the Lists of Priority Toxic Air Contaminants and Toxicity Reference Values
  5. OAR 340-247-0050: Air Toxics Science Advisory Committee
  6. OAR 340-247-8010: Tables