OAR 340-202-0220
Prevention of Significant Deterioration Increments: 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 (State of Oregon Clean Air Act Implementation Plan).

Source: Rule 340-202-0220 — Prevention of Significant Deterioration Increments: Ambient Air Ceilings, https://secure.sos.state.or.us/oard/view.action?ruleNumber=340-202-0220 (accessed May 26, 2025).

340–202–0010
Definitions 340–202–0020
Applicability and Jurisdiction 340–202–0050
Ambient Air Quality Standards: Purpose and Scope of Ambient Air Quality Standards 340–202–0060
Ambient Air Quality Standards: Suspended Particulate Matter 340–202–0070
Ambient Air Quality Standards: Sulfur Dioxide 340–202–0080
Ambient Air Quality Standards: Carbon Monoxide 340–202–0090
Ambient Air Quality Standards: Ozone 340–202–0100
Ambient Air Quality Standards: Nitrogen Dioxide 340–202–0110
Ambient Air Quality Standards: Particle Fallout 340–202–0130
Ambient Air Quality Standards: Lead 340–202–0200
Prevention of Significant Deterioration Increments: General 340–202–0210
Prevention of Significant Deterioration Increments: Ambient Air PSD Increments 340–202–0220
Prevention of Significant Deterioration Increments: Ambient Air Ceilings 340–202–0225
Prevention of Significant Deterioration Increments: Ambient Air Quality Impact Levels for Maintenance Areas

May 26, 2025

Rule 340-202-0220's source at or.us

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Location: https://oregon.public.law/rules/oar_340-202-0220

Original Source: Rule 340-202-0220 — Prevention of Significant Deterioration Increments: Ambient Air Ceilings, https://secure.sos.state.or.us/oard/view.action?ruleNumber=340-202-0220 (last accessed May 10, 2025).