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HomeMy WebLinkAbout202004872_ECYCommentLetter STATE OF WASHINGTON DEPARTMENT OF ECOLOGY Northwest Regional Office  3190 160th Avenue SE  Bellevue, Washington 98008-5452  (425) 649-7000 711 for Washington Relay Service  Persons with a speech disability can call (877) 833-6341 October 5, 2020 Jill Ding, Senior Planner Department of Community & Economic Development City of Renton 1055 South Grady Way Renton, WA 98057 Re: Tiger Food Processing Facility File# PR18-000155, LUA20-000213, Ecology SEPA# 202004872 Dear Jill Ding: Thank you for the opportunity to provide comments on the Tiger Food Processing Facility. Based on review of the State Environmental Policy Act (SEPA) 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 Toxic Control Act (MTCA) Confirmed and Suspected Contaminated Sites List – Graphic Packaging International site (cleanup site ID 11481, facility site ID 14693954). Soil and groundwater immediately adjacent to the building was contaminated with chlorinated solvents including trichloroethene (TCE), cis-1,2-dichloroethene (cis-1,2-DCE), and vinyl chloride (VC). Sub-slab soil vapor samples and indoor air samples collected inside the building contained benzene, 1,2,4-trimethylbenzene, and/or acrolein above the MTCA cleanup levels. Ecology recommends that the proponent update the checklist to add the contamination information, and describe mitigation measures to address the following:  Hazardous waste operations worker training, health/safety plan, and site control requirements, per WAC 296-843.  Management of potential contaminated soil encountered during excavations, including sampling, containment, and disposal at a permitted facility. Jill Ding October 5, 2020 Page 2  Potential impacts of the construction project on ongoing contaminant remediation at the site, including procedures to prevent damage to site monitoring wells. 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) 649-7109 or by email at jing.song@ecy.wa.gov. Sincerely, Katelynn Piazza SEPA Coordinator Sent by email: Jill Ding, jding@rentonwa.gov ecc: Jing Song, Ecology