Or. Admin. Code § 340-202-0220 - Ambient Air Ceilings

No concentration of a pollutant may exceed:

(1) The concentration permitted under the national secondary ambient air quality standard;

(2) The concentration permitted under the national primary ambient air quality standard; or

(3) The concentration permitted under the state ambient air quality standard, whichever concentration is lowest for the pollutant for a period of exposure.

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

Notes

Or. Admin. Code § 340-202-0220

DEQ 18-1979, f. & ef. 6-22-79; DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-031-0115; DEQ 6-2001, f. 6-18-01, cert. ef. 7-1-01; DEQ 7-2015, f. & cert. ef. 4/16/2015

Stat. Auth.: ORS 468.020 & 468A

Stats. Implemented: ORS 468A.025 & 468A.035