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STATE OF WASHINGTON
DEPARTMENT OF ECOLOGY
Northwest Region Office
PO Box 330316, Shoreline, WA 98133-9716 • 206-594-0000
May 19, 2025
Alex Morganroth, Principal Planner
Department of Community & Economic Development
City of Renton
1055 S Grady Way
Renton, WA 98057
Re: Boeing Crew Shelters
File# LUA25-000124/PR25-000030, Ecology SEPA# 202501565
Dear Alex Morganroth:
Thank you for the opportunity to provide comments on the State Environmental Policy Act
(SEPA) notice of application utilizing the optional determination of nonsignificance (ODNS/NOA)
process for the Boeing Crew Shelters project. Based on review of the checklist associated with
this project, the Department of Ecology (Ecology) has the following comments:
Section B, Environmental Elements; Subsection 7, Environmental Health.
The proposed project is located on a site listed on the Model Toxics Control Act Confirmed and
Suspected Contaminated Sites List – Boeing Renton facility (cleanup site ID 820, facility site ID
2097). The proposed project area is located within Area of Concern 1 and 2, where chlorinated
solvents were detected in groundwater. This section of the checklist should note the presence
of the contaminated site.
It appears that soil excavation is not included in the scope, so the chlorinated solvent is not
likely to be exposed to construction workers. However, if there is any change in scope that may
result in exposure to contaminated soil and groundwater, please contact Ecology for
appropriate actions.
Thank you for considering these comments from Ecology. If you have any questions or would
like to respond to these comments, please contact Jing Song from the Toxics Cleanup Program
at (425) 229-2565 or by email at jing.song@ecy.wa.gov.
Alex Morganroth
May 19, 2025
Page 2
Sincerely,
Kelli Price
SEPA Coordinator
Sent by email: Alex Morganroth, amorganroth@rentonwa.gov
Uploaded to the online comment portal
ecc: Jing Song, Ecology