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Comment Period

Boeing Everett – Proposed permit amendment

Prevention of Significant Deterioration (PSD) permit

March 17, 2021 - April 16, 2021, 11:59 p.m.

Ecology proposes to amend Boeing Everett's Prevention of Significant Deterioration (PSD) permit.

The Boeing Everett facility manufactures commercial aircraft, specifically models 747, 767, 777, and 787. Boeing Everett asked to change its Prevention of Significant Deterioration (PSD) Permit for the 777X project. Boeing proposes to establish a higher limit for volatile organic compounds (VOCs) for the 777X wing components fabrication operations during low production periods.

Documents for review

• Draft permit
• Draft technical support document
• Public notice

To comment or request a public hearing, use one of the ways listed below.

Related Boeing Everett public comment period about site cleanup


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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Comment online

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Comment by mail

Mr. MengChiu Lim
Washington Department of Ecology
Air Quality Program
P.O. Box 47600
Olympia, WA 98504-7600
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Mr. MengChiu Lim
Environmental Engineer

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