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Research & Data

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.

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About Us

Research & Data

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.

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2014 moderate risk waste report - 2014 Solid Waste Report
Moderate risk waste data from the 2014 solid waste report
Rulemaking Proposal (WAC 173-350) 1/23/18
This is a rulemaking proposal (CR-102) for WAC 173-350 Solid Waste Handling Standards
Rulemaking proposed language (WAC 173-350) 1/23/18
This is proposed rule language for WAC 173-350 Solid Waste Handling Standards.
Fertilizer Production Companies - look-up tool
Information about commercial fertilizers that are registered for distribution in the state of Washington.
Children's Safe Producta Act Reported Data
Search the database of reports required from manufacturers of children's products about the presence of specific toxic chemicals of concern in their products. Products covered include toys, cosmetics, jewelry, and baby products.
Rulemaking Announcement (WAC 173-305) 07/14/16
This is a rulemaking announcement (CR-101) for WAC 173-305 Hazardous Waste Fee Regulation.
Solid Waste Information Clearinghouse
(SAW account required)
Proposed rule language (WAC 173-305) 11/23/16
This is proposed rule language for WAC 173-305 Hazardous Waste Fee Regulation.
Rulemaking Proposal (WAC 173-305) 11/23/16
This is a rulemaking proposal (CR-102) for WAC 173-305 Hazardous Waste Fee Regulation.
Rulemaking Adoption Notice (WAC 173-305) 04/05/17
This is a rulemaking adoption (CR-103) for WAC 173-305 Hazardous Waste Fee Regulation.
Preliminary Draft Rule Text (PDF)
Read the text of the rule with proposed changes highlighted.
Materials composted in Washington 2016
A spreadsheet of facilities showing the types and quantities of materials composted in 2016.
Waste 2 Resources Advisory Committee Roster
Current membership roster for the Waste 2 Resources Advisory Committee
Moderate Risk Waste - 2013 Solid Waste Report
Moderate risk waste data from the 2013 solid waste report
Rulemaking Proposal WAC 173-350 01/23/18
This is the information the agency filed with the Office of the Code Reviser on January 23, 2018 to formally propose amendments to Chapter 173-350 WAC - Solid Waste Handling Standards
Preliminary rule language (173-305) 07/14/16
This is the preliminary rule language for 173-305 Hazardous Waste Fee Regulation.
Adopted rule language (WAC 173-305) 04/05/17
This is adopted rule language for WAC 173-305 Hazardous Waste Fee Regulation.
Scientific services
We offer scientific services to support environmental work and inquiry for projects funded through public dollars. We provide accurate, credible, and defensible analyses using the latest accredited methods.
Rulemaking at Ecology
Ecology has delegated federal and state authority to implement and enforce various environmental laws and rules. We accomplish this through our open and public rulemaking process.
Public input and events listing
Information on Ecology's public hearings, meetings, workshops, open houses, and open comment periods.
404 results 1 - 20 of 404   Next page