EQC202405-itemBslides

DETP/24/414

432nd Regular Meeting of Oregon Environmental Quality Commission Item B: Klamath Falls PM2.5 Maintenance Plan (Action) Monitored ambient concentrations of fine particulate matter, or PM2.5, measured in the Klamath Falls Air Quality Management Area over the past three years have been below the National Ambient Air Quality Standards for PM2.5. DEQ is proposing to request that the EPA redesignate the area from nonattainment to attainment and accept the proposed maintenance plan. Staff will recommend that the EQC approve: the contents of the maintenance plan; revisions to administrative rules needed to update the State Implementation Plan citation; revisions to administrative rules changing the area from nonattainment to maintenance; and submitting the SIP to EPA for review and approval.