Commenting open: November 02, 2020 12:00AM PT - March 31, 2021 11:59PM PT.
Preliminary comments: Regional Haze SIP Revision - 2nd 10-Year Plan
Send us comment
Ecology revised the 2010 Regional Haze State Implementation Plan (SIP). We are required to do this about every 10 years to show improvements to visibility in the 3 national parks and 5 wilderness areas in Washington (mandatory Class I federal areas). We are asking for comments on our preliminary draft plan before we hold an official public comment period on the next draft. Send us comments Comment on the preliminary draft Regional Haze SIP revision - 2nd 10-year plan.
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