Regulations & Permits
Use this portal to filter and search for all of our regulatory information.
We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.
June 8, 2022 - Data Analysis Plan (Draft)
Data Analysis Plan (Draft) for June 8, 2022, webinar
https://ecology.wa.gov/june-8-2022-data-analysis-plan-draft
June 8, 2022 - Rescue Tug Analysis Model Description (Draft)
Rescue Tug Analysis Model Description (Draft) for June 8, 2022, webinar
https://ecology.wa.gov/june-8-2022-rescue-tug-analysis-model-description
June 8, 2022 Notes - Webinar on Tug Escort and ERTV Analyses
Notes for June 8, 2022, meeting on Tug Escort and ERTV Analyses webinar
https://ecology.wa.gov/june-8-2022-notes-webinar-on-tug-escort-and-ertv-a
June 8, 2022 Slides - Webinar on Tug Escort and ERTV Analyses
Slides for June 8, 2022, Tug Escort and ERTV Analyses webinar
https://ecology.wa.gov/june-8-2022-slides-webinar-on-tug-escort-and-ertv
July 28, 2021 Notes - Accident Probabilities
Notes for the July 28, 2021, meeting on Accident Probabilities
https://ecology.wa.gov/july-28-2021-notes-accident-probabilities
June 30, 2021 - Notes - Model 101
Summary of questions and answers from June 30, 2021, webinar
https://ecology.wa.gov/june-30-2021-notes-vessel-accident-module-updates
June 30, 2021 - Slides - Model 101
Presentation from May 26, 2021, webinar
https://ecology.wa.gov/june-30-2021-slides-vessel-accident-module-update
May 26, 2021 Webinar Slides - Vessel Accident Module
Webinar slides for May 26, 2021, meeting
https://ecology.wa.gov/may-26-2021-webinar-slides-vessel-accident-module
May 26, 2021, Notes - Vessel Accident Module
Summary of questions and answers from May 26, 2021, webinar
https://ecology.wa.gov/may-26-2021-notes-vessel-accident-module
March 24, 2021, Webinar Slides - Updates on Vessel Encounter Module
Webinar slides for March 24, 2021, meeting
https://ecology.wa.gov/march-24-2021-webinar-slides-updates-on-vessel-e
March 24, 2021, Notes - Updates and follow-up on the Vessel Encounter Module
Summary of questions and answers from March 24, 2021, webinar
https://ecology.wa.gov/march-24-2021-notes-updates-and-follow-up-on-the
Encounter Candidate Maps
Encounter Candidate Maps - Developing the Vessel Encounter Module: Comparing Ship Domains
https://ecology.wa.gov/encounter-candidate-maps-3-11-2021
March 17, 2021, Agenda - Vessel Encounter Module – Comparing Ship Domains
Agenda for March 17, 2021, meeting on Vessel Encounter Module – Comparing Ship Domains
https://ecology.wa.gov/march-17-2021-agenda-vessel-encounter-module-co
March 17, 2021, Notes - Comparing Ship Domains
Summary of questions and answers from March 17, 2021, webinar
https://ecology.wa.gov/march-17-2021-notes-encounter-module-comparing-s
June 2020 Webinar Slides - Introductory Model Development Webinar
Webinar slides for June 2020 meetings
https://ecology.wa.gov/june-2020-webinar-slides-introductory-model-develo
June 4, 2020 – Salish Sea Focus webinar summary
Summary of questions and answers from June 4, 2020, webinar
https://ecology.wa.gov/june-4-2020-salish-sea-focus-summary-of-quest
June 8, 2020 - Columbia and Snake River Focus webinar summary
Summary of questions and answers from June 8, 2020, webinar
https://ecology.wa.gov/june-8-2020-columbia-and-snake-river-focus-summ
June 17, 2020 – Grays Harbor Focus webinar summary
Summary of questions and answers from June 17, 2020, webinar
https://ecology.wa.gov/june-17-2020-grays-harbor-focus-summary-of-qu
Kettle Falls engine derailment press release
Kettle Falls derailment press release
https://ecology.wa.gov/kettle-falls
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