OAR 340-220-0020
Definitions


The definitions in OAR 340-200-0020 (General Air Quality Definitions), 340-204-0010 (Definitions), 340-245-0020 (Definitions), and this rule apply to this division. If the same term is defined in this rule and 340-200-0020 (General Air Quality Definitions), 340-204-0010 (Definitions) or 340-245-0020 (Definitions), the definition in this rule applies to this division. Particulates. For purposes of this division, particulates mean PM10; or if a source’s permit specifies particulate matter (PM) and not PM10, then PM; or if a source’s permit specifies PM2.5 and neither PM10 nor PM, then PM2.5.

Source: Rule 340-220-0020 — Definitions, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=340-220-0020 (accessed May 26, 2025).

May 26, 2025

Rule 340-220-0020's source at or​.us