Or. Admin. R. 340-204-0310 – Designation of Reattainment Areas

(1) The EQC may designate reattainment areas provided that DEQ submits a request for designation that includes the following information:
1. (a) At least three consecutive years of monitoring data showing that an area that is currently designated by EPA as nonattainment is attaining an ambient air quality standard; and
2. (b) A discussion of the reasons for the proposed designation.
(2) Reserved for list of reattainment areas.
(3) An area designated as a reattainment area under section (2) will automatically be reclassified immediately upon:
1. (a) The EQC designating the area as a maintenance area and EPA officially designating the area as an attainment area; or
2. (b) The EQC rescinding the designation based on a request by DEQ. DEQ will consider the following information for rescinding the designation:
  1. (A) Monitoring data that shows the area is not meeting the ambient air quality standard; and
  2. (B) A request by a local government.
    [NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.]

ORS 468.020 & 468A

ORS 468A.025 & 468A.035