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.
Building Soil: Guidelines and Resources for Implementing Soil Quality and Depth BMP T5.13
Best management practices for composting and soil management.
https://ecology.wa.gov/building-soil-guidelines-and-resources-for-implem
Conditional approval letter
Conditional approval letter to PaintCare Washington for the program plan.
https://ecology.wa.gov/conditional-approval-letter
Composted Materials in Washington State
Data on the types of materials that Washington's facilities compost.
https://ecology.wa.gov/composted-materials
Collection Events under the E-Cycle Washington Program
This document answers frequently asked questions regarding collection events for the E-Cycle Washington program.
https://ecology.wa.gov/collectioneventsfaq12-09-08
Definitions Work Group Agenda - August 11, 2015
Definitions Work Group Agenda - August 11, 2015
https://ecology.wa.gov/definitions-work-group-agenda-august-11-2015
Conference Call Notes April 20, 2015
Conference Call Notes April 20, 2015
https://ecology.wa.gov/conference-call-notes-april-20-2015
Conference Call Notes March 2, 2015
Conference Call Notes March 2, 2015
https://ecology.wa.gov/conference-call-notes-march-2-2015
Definitions Work Group Agenda - August 22, 2014
Definitions Work Group Agenda - August 22, 2014
https://ecology.wa.gov/definitions-work-group-agenda-august-22-2014
Conference Call Notes May 13, 2015
Conference Call Notes May 13, 2015
https://ecology.wa.gov/conference-call-notes-may-13-2015
Definitions Work Group Agenda - February 18, 2015
Definitions Work Group Agenda - February 18, 2015
https://ecology.wa.gov/definitions-work-group-agenda-february-18-2015
Definitions Work Group Agenda - February 3, 2015
Definitions Work Group Agenda - February 3, 2015
https://ecology.wa.gov/definitions-work-group-agenda-february-3-2015
Definitions Work Group Agenda - January 20, 2015
Definitions Work Group Agenda - January 20, 2015
https://ecology.wa.gov/definitions-work-group-agenda-january-20-2015
Definitions Work Group Agenda - June 16, 2015
Definitions Work Group Agenda - June 16, 2015
https://ecology.wa.gov/definitions-work-group-agenda-june-16-2015
Definitions Work Group Agenda - November 18, 2014
Definitions Work Group Agenda - November 18, 2014
https://ecology.wa.gov/definitions-work-group-agenda-november-18-2014
Definitions Work Group Agenda - November 4, 2014
Definitions Work Group Agenda - November 4, 2014
https://ecology.wa.gov/definitions-work-group-agenda-november-4-2014
Definitions Work Group Agenda - October 17, 2014
Definitions Work Group Agenda - October 17, 2014
https://ecology.wa.gov/definitions-work-group-agenda-october-17-2014
Definitions Work Group Agenda - October 7, 2014
Definitions Work Group Agenda - October 7, 2014
https://ecology.wa.gov/definitions-work-group-agenda-october-7-2014
Definitions Work Group Conference Call Notes (Draft) - July 9, 2014
Definitions Work Group Conference Call Notes (Draft) - July 9, 2014
https://ecology.wa.gov/definitions-work-group-conference-call-notes-draf
Definitions Work Group Meeting Agenda - September 16, 2014
Definitions Work Group Meeting Agenda - September 16, 2014
https://ecology.wa.gov/definitions-work-group-meeting-agenda-september
Chapter 173-925 WAC
This document is the Washington Administrative Code (WAC) for post-consumer recycled content in plastic containers.
https://ecology.wa.gov/chapter-173-925-wac
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