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Regional Haze

Regional Haze Round 2 State Implementation Plan Development and Division 223 Rulemaking

DEQ conducted a rulemaking to codify the Round 2 Regional Haze process for selecting facilities that must reduce emissions or install controls, the methodology for deeming those controls cost effective and facility compliance options. The rulemaking was one component of and ran concurrently with DEQ's development of the Round 2 Regional Haze State Implementation Plan. The 2018 – 2028 Oregon Regional Haze SIP is posted for public comment until 4 p.m. November 1, 2021. DEQ plans to present to the Environmental Quality Commission for adoption in January 2022. 

For more information, please visit the Regional Haze 2021 Rulemaking web page  and the Regional Haze 2018-2028 State Implementation Plan.

Rulemaking Timeline

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