We invite you to comment on the air quality
attainment plan (State Implementation Plan revision) and Agreed Order to bring the area around the curtailed Intalco aluminum smelter back into compliance with federal regulations for sulfur dioxide pollution.
The proposed plan describes actions the facility will have to take, including:
Breathing elevated levels of SO2 causes inflammation and tightening of airways and can trigger asthma symptoms. SO2 typically dissipates very quickly, but people living or working close to sources may be exposed to short-term levels that pose a risk to those with pre-existing breathing or health issues. SO2 pollution also decreases visibility in the form of haze and contributes to acid rain.
All areas in Washington state must meets national air quality standards for the six most common air pollutants. One of those pollutants is SO2.
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