Research & Data
Use this portal to filter and search for all of our scientific information.
Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
LightRecycle Producers List 2023
This document lists producers of mercury lights in Washington state.
https://ecology.wa.gov/lightrecycle-producers-list-2020
Draft-EIS-Process
Steps in the state environmental review process for a draft EIS
https://ecology.wa.gov/draft-eis-process
Goldendale-Energy-Storage-Project-Draft-EIS-Open-House
Read the online open house for the Goldendale Energy Storage Project draft Environmental Impact Statement.
https://ecology.wa.gov/goldendale-energy-draft-eis-open-house
Updating the Air Toxics Rule (WAC 173-460)
This is the overview of rulemaking for WAC 173-460, Controls for New Sources of Toxic Air Pollutants,
https://ecology.wa.gov/updating-the-air-toxics-rule
Adopted Rule - Crosswalk with Repealed Rule and Federal Rule (WAC 173-360; WAC 173-360A) 07/17/18
This document provides a crosswalk between the provisions in the new Underground Storage Tank Rule and the provisions in both the repealed rule and the federal rule.
https://ecology.wa.gov/adopted-rule-crosswalk-with-repealed-rule-and-fede
Chapter 4H Lab Control Log
WASTE TREATMENT AND IMMOBILIZATION PLANT CHAPTER 4H ANALYTICAL LABORATORY (LAB) CHANGE CONTROL LOG
https://ecology.wa.gov/chapter-4h
Occidental Storymap Plain Text Accessible
Plain text accessible PDF of the Occidental storymap
https://ecology.wa.gov/occidental-storymap-plain-text
Chapter 6A Inspection Plan
WASTE TREATMENT AND IMMOBILIZATION PLANT CHAPTER 6A INSPECTION PLAN CHANGE CONTROL LOG
https://ecology.wa.gov/chapter-6a
Adopted Rule - Overview of Changes to Repealed Rule (WAC 173-360; WAC 173-360A) 07/17/18
This document provides a summary of changes to the repealed chapter, WAC 173-360. Changes highlighted grey were made to be consistent with federal rule requirements in 40 C.F.R. Part 280 or to comply with state program approval (SPA) requirements in 40 C.F.R. Part 281.
https://ecology.wa.gov/adopted-rule-overview-of-changes-to-repealed-rule
Adopted Rule - Summary - Certification for UST Services (WAC 173-360; WAC 173-360A) 07/17/18
This table identifies the underground storage tank system services requiring use of a service provider and the certification that a service provider must have to perform those services under the new rule, Chapter 173-360A WAC.
https://ecology.wa.gov/adopted-rule-summary-table-certification-to-perfor
Chapter 8 Personnel Training
WASTE TREATMENT AND IMMOBILIZATION PLANT CHAPTER 8 PERSONNEL TRAINING CHANGE CONTROL LOG
https://ecology.wa.gov/chapter-8
Rulemaking Proposal (WAC 173-186) 6/5/19
This is a rulemaking proposal (CR-102) for WAC 173-186 Oil Spill Contingency Plan - Railroad.
https://ecology.wa.gov/rulemaking-proposal-wac-173-186-6-5-19
Waste Treatment and Immobilization Plant Analytical Laboratory Public Comment Period Focus Sheet
This Class 3 permit modification (8C.2017.4D) focuses on the operations of the Analytical Laboratory (Lab) and provides the operating details for the Analytical Lab under the Direct-Feed Low-Activity Waste configuration.
https://ecology.wa.gov/focus-sheet-3a9ad83c09b26cfd707a988692e9ab96
Silver Muse, SilverSea Cruises inspection report
This document is the wastewater discharges inspection report for Silver Muse, SilverSea Cruises Line.
https://ecology.wa.gov/silver-muse-silversea-cruises-inspection-report
Response to Comments: Modification of RCRA WTP Lab Operations
Response to Comments: Modification of the Hanford Facility Resource Conservation and Recovery Act Permit for the Treatment, Storage, and Disposal of Dangerous Waste, Part III, Operating Unit Group 10 (WA7890008967) Waste Treatment and Immobilization Plant Analytical Laboratory Operations, 24590-LAB-PCN-ENV-16-002
https://ecology.wa.gov/response-to-comments
Rulemaking Proposal Language (WAC 173-186) 6/5/19
This is proposed rule language for WAC 173-186 Oil Spill Contingency Plan - Railroad 6/5/19.
https://ecology.wa.gov/rulemaking-proposal-language-wac-173-186-6-5-19
Goldendale Energy Draft EIS June 28, 2022 hearing transcript
Transcript of the second hearing on the Goldendale Energy Storage Project draft EIS
https://ecology.wa.gov/goldendale-energy-draft-eis-hearing-2-transcript
Goldendale Energy Draft EIS June 30, 2022 hearing transcript
Transcript of the third hearing on the Goldendale Energy Storage Project draft EIS
https://ecology.wa.gov/goldendale-energy-draft-eis-hearing-3-transcript
Rulemaking Announcement (WAC 173-460) 07/18/18
This is a rulemaking announcement (CR-101) for WAC 173-460, Controls for New Sources of Toxic Air Pollutants.
https://ecology.wa.gov/rulemaking-announcement-wac-173-460-07-18-18
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