Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 245 - CLEANER AIR OREGON
Section 340-245-0320 - Standards and Criteria for Noncancer Risk Action Levels for Existing Contamination Sources
Current through Register Vol. 63, No. 3, March 1, 2024
(1) The noncancer Risk Action Levels for existing sources are identified in OAR 340-245-8010, Table 1.
(2) The toxic air contaminants for which an adjusted noncancer Risk Action Level will apply are identified in OAR 340-247-8010, Table 2, and OAR 340-245-8010, Table 2 in the column named "Noncancer TBACT RAL."
(3) An adjusted Risk Action Level will be applied to existing sources that emit one or more toxic air contaminants identified in OAR 340-247-8010, Table 2, or OAR 340-245-8010, Table 2 with a noncancer TBACT RAL of a Hazard Index of 3. For sources that emit a mixture of toxic air contaminants with noncancer TBACT Risk Action Levels of both a Hazard Index of 3 and a Hazard Index of 5, the Risk Determination Ratio calculation expresses the degree to which the applicable Risk Action Level may be adjusted for each source.
Statutory/Other Authority: ORS 468.020 & Or Laws 2018, ch. 102, § 7
Statutes/Other Implemented: Or Laws 2018, ch. 102, §7