| Title (link to summary) | Number | Date (released or updated) |
|
Final Regulatory Analyses for Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington
| 19-10-049 | December 2019 |
|
Final Regulatory Analyses for Chapter 173-182 WAC, Oil Spill Contingency Plan
| 19-08-026 | December 2019 |
|
Final Regulatory Analyses for Chapter 173-186 WAC, Oil Spill Contingency Plan – Railroad
| 19-08-020 | December 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-501 WAC, Instream Resources Protection Program – Nooksack Water Resource Inventory Area (WRIA) 1
| 19-11-094 | November 2019 |
|
Final Regulatory Analyses for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants
| 19-02-026 | November 2019 |
|
Small Business Economic Impact Analysis for the National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge General Permit - Draft General Permit for Vessel Deconstruction
| 19-10-036 | August 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-182 WAC, Oil Spill Contingency Plan
| 19-08-017 | August 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-201A WAC (revisions), Water Quality Surface Water Standards of the State of Washington.
| 19-10-031 | July 2019 |
|
Final Regulatory Analyses for Chapter 173-566 WAC, Streamflow Restoration Funding
| 19-11-074 | June 2019 |
|
Final Regulatory Analyses for Chapter 173-224 WAC, Water Quality Permit Fees
| 19-10-025 | June 2019 |
|
Final Regulatory Analyses for Chapter 173-230 WAC, Certification of Operators of Wastewater Treatment Plants
| 19-10-023 | June 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-186 WAC, Oil Spill Contingency Plan – Railroad
| 19-08-010 | June 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants
| 19-02-012 | June 2019 |
|
Small Business Economic Impact Analysis for the Draft Industrial Stormwater National Pollutant Discharge Elimination System (NPDES) General Permit.
| 19-10-011 | May 2019 |
|
Final Regulatory Analyses for Chapter 173-405 WAC, Kraft Pulping Mills, Chapter 173-410 WAC, Sulfite Pulping Mills, and Chapter 173-415 WAC, Primary Aluminum Plants
| 19-02-006 | April 2019 |
|
Small Business Economic Impact Analysis for the Zostera japonica Management on Commercial Clam Beds in Willapa Bay General Permit
| 19-10-018 | March 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-230 WAC, Certification of Operators of Wastewater Treatment Plants
| 19-10-016 | March 2019 |
|
Small Business Economic Impact Analysis for the Draft Aquatic Mosquito Control National Pollutant Discharge Elimination System (NPDES) General Permit
| 19-10-015 | March 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-224 WAC, Water Quality Permit Fees
| 19-10-017 | February 2019 |
|
Preliminary Regulatory Analyses for Chapter 173-566 WAC, Streamflow Restoration Funding
| 19-11-063 | January 2019 |
|
Final Regulatory Analyses - Chapter 173-201A WAC Water Quality Standards for Surface Waters of the State of Washington
| 18-10-037 | January 2019 |