Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 204 - DESIGNATION OF AIR QUALITY AREAS
Section 340-204-0050 - Designation of Prevention of Significant Deterioration Areas
Current through Register Vol. 63, No. 3, March 1, 2024
(1) All of the following areas which were in existence on August 7, 1977, and for which the 1990 Clean Air Act Amendments clarified, shall be Class I Areas and may not be redesignated:
(2) All other areas, in Oregon are initially designated Class II, but may be redesignated as provided in OAR 340-204-0060.
(3) The following areas may be redesignated only as Class I or II:
(4) The extent of the areas referred to in section (1) and (3) shall conform to any changes in the boundaries of such areas which occurred between August 7, 1977, and April 16, 2015.
NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.
Stat. Auth.: ORS 468.020 & 468A
Stats. Implemented: ORS 468A.025 & 468A.035