Ecology is revising 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 our mandatory Class I federal areas. We are asking for questions or comments to consider as we develop our draft plan.
You will be able to comment on the draft plan in the spring of 2021 during the official public comment period .
Send us comments Provide questions or comments you believe we should consider as we develop our draft plan. Your views will help us shape the updated 10-year plan.
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