The following ambient air quality impact levels apply to the areas specified for the purpose of the air quality analysis in OAR 340-224-0060 and 340-224-0260, if required.

1. (1) In a carbon monoxide maintenance area, 0.5 mg/m3 (8 hour average) and 2 mg/m3 (1-hour average).

2. (2) In a PM10 maintenance area:

   1. (a) 120 ug/m3 (24-hour average) in the Grants Pass PM10 maintenance area;
   2. (b) 140 ug/m3 (24-hour average) in the Klamath Falls PM10 maintenance area; or

   3. (c) 140 ug/m3 (24-hour average) in the Lakeview PM10 maintenance area. In addition, a single source impact is limited to an increase of 5 ug/m3 (24-hour average) in the Lakeview PM10 maintenance area.

      NOTE: This rule is included in the State of Oregon Clean Air Act Implementation Plan that EQC adopted under OAR 340-200-0040.

Statutory/Other Authority

ORS 468.020 & 468A

Statutes/Other Implemented

ORS 468A.025 & 468A.035

History

DEQ 7-2015, f. & cert. ef. 4-16-15