OAR 340-200-0020: General Air Quality Definitions

Edition: Current OARD snapshotEffective: 2025-08-18Last verified: 2026-09-07

Official history and status

Statutory/Other Authority: ORS 468.020 & 468A

Statutes/Other Implemented: ORS 468A.025, 468A.035, 468A.040, 468A.050, 468A.055, 468A.070, 468A.075, 468A.085, 468A.105, 468A.135, 468A.140, 468A.155, 468A.280, 468A.310, 468A.315, 468A.360, 468A.363, 468A.380, 468A.385, 468A.420, 468A.495, 468A.500, 468A.505, 468A.515, 468A.575, 468A.595, 468A.600, 468A.610, 468A.612, 468A.620, 468A.635, 468A.707, 468A.740, 468A.745, 468A.750, 468A.775, 468A.780, 468A.797, 468A.799, 468A.803, 468A.820 & & Or. Laws 2009, chapter 754

History: DEQ 27-2025, amend filed 08/18/2025, effective 08/18/2025 DEQ 19-2022, amend filed 11/18/2022, effective 03/01/2023 DEQ 18-2021, amend filed 11/17/2021, effective 11/17/2021 DEQ 13-2019, amend filed 05/16/2019, effective 05/16/2019 DEQ 197-2018, amend filed 11/16/2018, effective 11/16/2018 DEQ 7-2015, f. & cert. ef. 4-16-15 DEQ 12-2014(Temp), f. & cert. ef. 11-12-14 thru 5-10-15 DEQ 11-2013, f. & cert. ef. 11-7-13 DEQ 4-2013, f. & cert. ef. 3-27-13 DEQ 1-2012, f. & cert. ef. 5-17-12 DEQ 7-2011(Temp), f. & cert. ef. 6-24-11 thru 12-19-11 DEQ 5-2011, f. 4-29-11, cert. ef. 5-1-11 DEQ 10-2010(Temp), f. 8-31-10, cert. ef. 9-1-10 thru 2-28-11 DEQ 5-2010, f. & cert. ef. 5-21-10 DEQ 10-2008, f. & cert. ef. 8-25-08 DEQ 8-2007, f. & cert. ef. 11-8-07 DEQ 6-2007(Temp), f. & cert. ef. 8-17-07 thru 2-12-08 DEQ 2-2006, f. & cert. ef. 3-14-06 DEQ 2-2005, f. & cert. ef. 2-10-05 DEQ 6-2001, f. 6-18-01, cert. ef. 7-1-01 DEQ 14-1999, f. & cert. ef. 10-14-99, Renumbered from 340-020-0205, 340-028-0110 DEQ 6-1999, f. & cert. ef. 5-21-99 DEQ 1-1999, f. & cert. ef. 1-25-99 DEQ 21-1998, f. & cert. ef. 10-14-98 DEQ 16-1998, f. & cert. ef. 9-23-98 DEQ 14-1998, f. & cert. ef. 9-14-98 DEQ 9-1997, f. & cert. ef. 5-9-97 DEQ 22-1996, f. & cert. ef. 10-22-96 DEQ 19-1996, f. & cert. ef. 9-24-96 DEQ 22-1995, f. & cert. ef. 10-6-95 DEQ 12-1995, f. & cert. ef. 5-23-95 DEQ 10-1995, f. & cert. ef. 5-1-95 DEQ 24-1994, f. & cert. ef. 10-28-94 DEQ 21-1994, f. & cert. ef. 10-14-94 DEQ 13-1994, f. & cert. ef. 5-19-94 DEQ 20-1993(Temp), f. & cert. ef. 11-4-93 DEQ 19-1993, f. & cert. ef. 11-4-93 DEQ 12-1993, f. & cert. ef. 9-24-93, Renumbered from 340-020-0145, 340-020-0225, 340-020-0305, 340-020-0355, 340-020-0460 & 340-020-0520 DEQ 4-1993, f. & cert. ef. 3-10-93 DEQ 27-1992, f. & cert. ef. 11-12-92 DEQ 7-1992, f. & cert. ef. 3-30-92 DEQ 2-1992, f. & cert. ef. 1-30-92 DEQ 42-1990, f. 12-13-90, cert. ef. 1-2-91 DEQ 14-1989, f. & cert. ef. 6-26-89 DEQ 8-1988, f. & cert. ef. 5-19-88 DEQ 18-1984, f. & cert. ef. 10-16-84 DEQ 5-1983, f. & cert, ef. 4-18-83 DEQ 25-1981, f. & cert. ef. 9-8-81 DEQ 15-1978, f. & cert. ef. 10-13-78 DEQ 107, f. & cert. ef. 1-6-76, Renumbered from 340-020-0033 DEQ 63, f. 12-20-73, cert. ef. 1-11-74 DEQ 47, f. 8-31-72, cert. ef. 9-15-72

This rule cites

Cited by

Official source: https://secure.sos.state.or.us/oard/