This report is a final health risk assessment (HRA) of diesel particles from some Quincy data centers.

This reference document summarizes the methods used to prepare the Washington 2011 County Emissions Inventory.

State Implementation Plan Revision for Spokane County Second 10-Year Limited Maintenance Plan for PM10

This document describes the flow chart on our Voluntary Cleanup Program types of opinions we issue page.

Draft shows proposed revisions. Public comment period November 2022 through Jan. 6, 2023. One of 2 documents with draft revisions.

Draft shows revisions with track changes. Public comment period November 2022 through Jan. 6, 2023. One of 2 documents with draft revisions.

This document is a form letter to complete and submit when withdrawing from the Voluntary Cleanup Program.

This is the technical support document for the baseline emissions inventory for facilities with a Prevention of Significant Deterioration permit.

report demonstrating that high winds on August 14, 2015 overwhelmed agriculture erosion controls and contributed to elevated levels of particle pollution in Kennewick.

Instructions about how to access the Air Quality Portal within Secure Access Washington. You must access this portal for reporting. Version 1.1

Facilities with “no exposure” of industrial materials and activities to rain, snow, snowmelt, and/or runoff can apply for an exemption from coverage under the permit; this is called a Conditional No Exposure (CNE) exemption. This focus sheet explains that exemption.

This document maps the site associated with a proposal by the Vader Wastewater Treatment Plant to remove biosolids from their facility for land application.

This document describes the spill prevention and response plan for Vader Wastewater Treatment Plant's biosolids proposal.

This is a teacher reference form for the Ecology Youth Corps summer 2020 season. You must include this document with your application to be considered for a crew position.

This document describes the standard plan for recycling covered electronic products through the E-Cycle WA program.

This documents lists additional and more stringent conditions to a draft agreed order for the Vader Wastewater Treatment Facility.

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.

This document describes the sampling and analysis planned for the removal of biosolids from the Vader Wastewater Treatment Plant.

Meeting summary from Nov. 5, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.

Meeting summary from Nov. 27, 2012, technical review panel meeting to discuss the revised version of the Fish Consumption Technical Report V.2, hosted by Washington State Department of Ecology.

This document identifies the differences between the new rule (Chapter 173-360A) and the repealed rule (Chapter 173-360). The changes are identified in the footnotes. This document also provides a crosswalk between the provisions in the new rule and the provisions in both the repealed rule and the federal rule.

This document provides a narrative description of the concepts being used to draft the GAP rule. It includes changes to the initial ideas presented by the Washington State Department of Ecology (Ecology) in five public webinars from June to November 2020, based on public input and feedback. This document provides information as of the time of release for informal comment.

This is a supporting document showing the proposed edits to Chapter 173-201A WAC Table 602 and Table 612 in track changes.

This is a poster for the 10/10/18 stakeholder meeting about dimethyl mercury inhalation risk screening concentration. It is related to rulemaking for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

This is a presentation for the 10/10/18 stakeholder meeting about dimethyl mercury inhalation risk screening concentration. It is related to rulemaking for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

This spreadsheet is the Washington GREET model, fuel carbon intensity calculator for Clean Fuels Program, November 28, 2022.

This spreadsheet is the Washington GREET model, fuel carbon intensity calculator for Clean Fuels Program, July 15, 2022.

This spreadsheet is the final Utah GREET model, fuel carbon intensity calculator for Clean Fuels Program, November 28, 2022.

The Fact Sheet serves as the documentation of the legal, technical, and administrative decisions Ecology has made in the process of reissuing the permit.

Document that describes how the local jurisdiction will keep the public involved in the SMP update process

Purpose of this document is to conduct an analysis to estimate the future demand for shoreline space and potential use conflicts

This document includes the audit for Universal Recycling Technologies.

This document contains the letter, public notice, and description of the Intent to Deny the NPDES permit for WGHOGA

Burrowing shirmp document: WGHOGA transmittal letter for NPDES permit application

This document identifies each state fund requirement in the proposed amendment of WAC 173-360A, Underground Storage Tank Regulations, and the corresponding requirement in the current federal regulations.

WSR 23-19-066 requires commercial airports in Washington procure non-PFAS firefighting agents by 2025.

This document is the Washington Administrative Code (WAC) for post-consumer recycled content in plastic containers.

The Washington State Mercury-Containing Lights Product Stewardship Program began on Jan. 1, 2015, for the collection and recycling of mercury-containing lights sold at retail. Pursuant to WAC 173-910-430, each stewardship organization must submit an annual report to the department describing the results of implementing the stewardship organization's plan for the prior calendar year.