| Title (link to summary) | Number | Date (released or updated) |
|
PFAS Concentrations in Influent, Effluent, Solids, and Biosolids of Three Wastewater Treatment Plants
| 22-03-028 | November 2022 |
|
Biosolids Analytical Methods
| 22-07-021 | August 2022 |
|
Biosolids Material Conversion Calculations
| 22-07-016 | June 2022 |
|
Response to Comments - General Permit for Biosolids Management
| 22-07-015 | June 2022 |
|
Statewide General Permit for Biosolids Management
| 21-07-006 | June 2022 |
|
2022 Biosolids Facility List
| 22-07-012 | May 2022 |
|
Fact Sheet: 2021 General Permit for Biosolids Management
| 21-07-005 | May 2021 |
|
Small Business Economic Impact Analysis for Biosolids Management General Permit
| 21-07-012 | April 2021 |
|
Preliminary Determination to Issue a General Permit for Biosolids Management - Response to Comments
| 20-07-017 | July 2020 |
|
2018 Septage Management Summary
| 20-07-018 | June 2020 |
|
Fertilizer Products Reviewed and Approved or Denied By Ecology from July 1, 2013 – June 30, 2015
| 15-04-031 | October 2015 |
|
Responsiveness Summary: Comments and Responses on the Draft General Permit
| 15-07-030 | July 2015 |
|
Responsiveness Summary Notice of Intent to Develop a New General Permit for Biosolids Management
| 15-07-021 | April 2015 |
|
Economic Impact Analysis: General Permit for Biosolids
| 15-07-014 | March 2015 |
|
Fertilizer Products Reviewed and Approved or Denied By Ecology from July 1, 2011 – June 30, 2013
| 13-04-016 | November 2013 |
|
Biosolids Permit Fee Program Biennial Report to the Washington State Legislature
| 12-07-018 | April 2012 |
|
Responsiveness Summary - General Permit for Biosolids ManagementComment Period: May 19, 2010 – June 22, 2010
| 10-07-021 | July 2010 |
|
Organic Waste to Resources Research and Pilot Project Report: Land Application-a true path to zero waste?
| 09-07-059 | July 2010 |
|
Economic Impact Analysis: General Permit for Biosolids Management
| 10-07-018 | April 2010 |
|
Biosolids Permit Fee Program Biennial Report to the Washington State Legislature
| 10-07-011 | April 2010 |
|
Webb Hill Biosolids Facility Hydrogeologic Investigation_Phase 2
| 12-03-279 | June 2008 |
|
Report to the Legislature: Biosolids Permit Fee Program
| 08-07-012 | February 2008 |
|
CHAPTER 173-308 WAC Biosolids Management
| 08-07-006 | February 2008 |
|
Webb Hill Biosolids Facility Hydrogeologic Investigation_Phase 1
| 12-03-278 | September 2007 |
|
Final Economic and Least Burdensome Analyses for Amendments to Chapter 173 308 WAC - Biosolids Management
| 07-07-022 | May 2007 |
|
Rule Adoption Notice for the Amendments to Chapter 173-308 WAC Biosolids Management
| 07-07-019 | May 2007 |
|
Concise Explanatory Statement for the Amendments to Chapter 173-308 WAC Biosolids Management
| 07-07-017 | May 2007 |
|
Implementation Plan for the Adoption of Chapter 173-308 WAC, Biosolids Management
| 07-07-018 | April 2007 |
|
Preliminary Cost Benefit and Least Burdensome Analysis For Proposed Amendments to Chapter 173-308 WAC, Biosolids Management
| 07-07-006 | January 2007 |
|
Small Business Economic Impact Statement For Proposed Amendments to Chapter 173-308 WAC, Biosolids Management
| 07-07-005 | January 2007 |
|
Final Responsiveness Summary for the Biosolids General Permit
| 05-07-030 | May 2005 |
|
Septage Management Strategic Plan
| 03-07-018 | May 2003 |
|
Washington State Septage Characterization Analysis
| 01-07-007 | March 2001 |
|
Washington State Septage Management Review
| 01-07-005 | February 2001 |
|
Biosolids Management Guidelines for Washington State (Revised July 2000)
| 93-80 | July 2000 |
|
Managing Nitrogen from Biosolids
| 99-508 | June 1999 |