We propose to amend Boeing Everett's Prevention of Significant Deterioration (PSD) permit.
The Boeing Everett facility manufactures commercial airplanes. Boeing asked to change its Prevention of Significant Deterioration (PSD) permit for the model 787 project. In 2021, Boeing Everett stopped assembling new 787s. The proposed changes to the permit include:
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A Prevention of Significant Deterioration (PSD) permit applies to new, large facilities or changes at existing large facilities that could increase air pollution. We issue these permits, except for projects that are regulated by the Energy Facility Site Evaluation Council (EFSEC), EPA, or tribes.
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