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Title

Block 38 West Cleanup Site Postcard

DRAFT FOR PUBLIC COMMENT Comment on this draft
 
Publication number Date Published
25-09-166November 2025
VIEW NOW Block 38 West Cleanup Site Postcard (Number of pages: 2) (Publication Size: 477KB)
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Author(s) Augie Nuszer
Description Proposed removal from Contaminated Sites List

The Department of Ecology (Ecology) invites you to comment on our proposal to remove the Block 38 West site from the Contaminated Sites List. The site is located in Seattle’s South Lake Union neighborhood. Ecology has determined that cleanup actions have addressed contamination under the state’s cleanup law, the Model Toxics Control Act (MTCA).

Investigations found petroleum hydrocarbons, benzene, naphthalenes, carcinogenic polycyclic aromatic hydrocarbons (cPAHs), and metals in soil and groundwater above state standards. Most contamination was removed during interim actions tied to property redevelopment, which included large-scale soil excavation and disposal. Remaining contamination is contained under new pavement and building structures. Site restrictions will ensure the cleanup remains protective of human health and the environment.
NOTES Seattle Public Library Central Branch, 1000 4th Ave Seattle, WA 98104 206-386-4636 For document review assistance, please contact: Augie Nuszer, Outreach Specialist Augie.Nuszer@ecy.wa.gov 425-533-5537
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

ADA Accessibility
The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188.
Visit Ecology’s website for more information.
Contact Toxics Cleanup Program, Northwest Region at 206-594-0000 or augie.nuszer@ecy.wa.gov
Keywords Seattle, South Lake Union, cleanup site, comment period, MTCA, contamination
WEB PAGE Block 38 West cleanup site webpage
CLEANUP SITE Cleanup Site ID: 15008

FACILITY SITE Facility Site ID: 62773

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