Regulations & Permits - Washington State Department of Ecology

Cleanup Rule comments received from the public, Ecology staff, and AGO (2009-2018)

This July 2019 document compiles the Cleanup Rule comments received from the public, Ecology staff and Office of the Attorney General from 2009 through 2018.

https://ecology.wa.gov/cleanup-rule-comments-received-2009-2018-july-201

Received through January 18, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (Version 1)

Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

https://ecology.wa.gov/20120118fcrcommentsforversion1

Received through January 18, 2012: Emailed form comments in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).

https://ecology.wa.gov/20120118fcrformlettercommentsforversion1

Rulemaking Announcement (WAC 173-340) 12/20/18

This is a rulemaking announcement (CR-101) for WAC 173-340, Model Toxics Control Act - Cleanup

https://ecology.wa.gov/rulemaking-announcement-wac-173-340-12-20-18

Rulemaking Proposal (WAC 173-340) 02/15/23

This is a rulemaking proposal (CR-102) for WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/rulemaking-proposal-wac-173-340-02-15-23

Rulemaking proposed language (WAC 173-340) 02/15/23

This is proposed rule language for WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/rulemaking-proposed-language-wac-173-340-02-15-23

Rulemaking Adoption Notice (WAC 173-360; WAC 173-360A) 07/17/18

This is the rulemaking adoption (CR-103) WAC 173-360; WAC 173-360A, Underground Storage Tank (UST) Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-360;-wac-173-3

Rulemaking Adoption Notice (WAC 173-360; WAC 173-360A) 07/18/2018

This is a rulemaking adoption (CR-103) for WAC 173-360A, Underground Storage Tank Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-360;-wac-1-1

Rulemaking Adoption Notice (WAC 173-340) 08/23/23

This is a rulemaking adoption (CR-103) for WAC 173-340, Model Toxics Control Act (MTCA) Cleanup Regulations.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-340-08-23-23

Northeast West Plains PFAS March 2024 well sampling results meeting slides

Download the slides for the 6/6/24 NE West Plains drinking water sampling results meeting

https://ecology.wa.gov/west-plains-pfas-sampling-results-slides

Common cleanup situations for homeowners and small businesses

Learn about common cleanup situations likely to affect home and small business owners.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/common-cleanup-situations-for-homeowners-small-b

FAQ: Evaluate options to clean up homes and small businesses

These FAQs help homeowners and small businesses evaluate cleanup options and complete cleanup work.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/evaluation-cleanup-for-homeowners-small-busine

FAQ: Investigate and report toxic releases

FAQs to help homeowners and small businesses investigate and report toxic releases.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/investigating-reporting-toxic-releases

Records search checklist

Before buying property, use the records search checklist for due diligence and to know past uses.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/records-search-checklist

Solvent-contaminated wipes

Follow these best management practices for solvent-contaminated wipes.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/solvent-wipes

Underground storage tank closures

Important information about closing your underground storage tanks.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources/tank-closures

Northwest Alloys, Addy

We regulate water and hazardous waste at Alcoa's Northwest Alloys in Addy.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/northwest-alloys-addy

Phillips 66 Refinery

We regulate water and hazardous waste activities at the Phillips 66 refinery in Ferndale.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/phillips-66-refinery

Tesoro Refinery

We regulate water, hazardous waste, and cleanup at Tesoro Refining & Marketing Company in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-refinery

Cleanup Levels and Risk Calculation (CLARC)

CLARC's resources help you set contaminated site cleanup levels that comply with Washington law.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-cleanup-tools/clarc