Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Certificate of compliance 2023

Manufacturers that produce food packaging sold in Washington must fill out a Certificate of Compliance to show they meet the PFAS in food packaging rules

https://ecology.wa.gov/certificate-of-compliance-2023

Preliminary Draft Revised WAC 173-331 12/02/15

This is a preliminary draft of the rule that stakeholders were asked to comment on

https://ecology.wa.gov/rulemaking-announcement-wac-173-331-12-02-15-1

2022 Greenhouse Gas Reporting Instructions

Instructions for state agencies on how to report their greenhouse gas emissions

https://ecology.wa.gov/20220110-ghg-reporting-instructions

Legal authorities

Summary of local, state and federal legal authorities for commercial fish farms

https://ecology.wa.gov/legal-authorities

DES Fleet Fuel Use by Permanently Leased Equipment and Daily Trip Rentals

Calculator for state agencies to determine their DES fuel usage.

https://ecology.wa.gov/2022-des-fleet-ghg-report

2023StateAgencyGHGCalculator

Calculator for state agencies to determine their GHG emissions

https://ecology.wa.gov/2023-state-agency-ghg-calculator

Chapter 4H Lab Control Log

WASTE TREATMENT AND IMMOBILIZATION PLANT CHAPTER 4H ANALYTICAL LABORATORY (LAB) CHANGE CONTROL LOG

https://ecology.wa.gov/chapter-4h

Attachment 1: Ecology permitting conditions

HANFORD AIR OPERATING PERMIT, PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 1

https://ecology.wa.gov/attachment-1-ecology-permitting-conditions

Environmental Review Process Phases diagram

Diagram showing the overall Environmental Review Process phases

https://ecology.wa.gov/environmental-review-phases-diagram

Chapter 6A Inspection Plan

WASTE TREATMENT AND IMMOBILIZATION PLANT CHAPTER 6A INSPECTION PLAN CHANGE CONTROL LOG

https://ecology.wa.gov/chapter-6a

Guidance on enforcement of lead, cadmium, and phthalate limits

Guidance on enforcement of lead, cadmium, and phthalate limits for the Children's Safe Product Act

https://ecology.wa.gov/guidance-on-enforcement-of-lead-cadmium-and-phth

Chapter 8 Personnel Training

WASTE TREATMENT AND IMMOBILIZATION PLANT CHAPTER 8 PERSONNEL TRAINING CHANGE CONTROL LOG

https://ecology.wa.gov/chapter-8

Attachment 3: BCAA permitting conditions

HANFORD SITE AIR OPERATING PERMIT NO. 00-05-006 RENEWAL 3 ATTACHMENT 3

https://ecology.wa.gov/attachment-3-bcaa-permitting-conditions

Focus Sheet

HANFORD SITE AIR OPERATING PERMIT RENEWAL 3 PUBLIC COMMENT PERIOD

https://ecology.wa.gov/focus-sheet

Waste Treatment and Immobilization Plant Analytical Laboratory Public Comment Period Focus Sheet

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.

https://ecology.wa.gov/focus-sheet-3a9ad83c09b26cfd707a988692e9ab96

Monthly dangerous waste generation limits

Quantity exclusion limits (QEL) to determine monthly dangerous waste generator category

https://ecology.wa.gov/monthly-generation-limits-plain-text

Level One Response Form Example

Example of a Completed Level One Response Form for Boatyard general permit

https://ecology.wa.gov/example-leveloneresponse-20160707

Pollution Prevention Planning Hazardous Substances List

Refer to this chemical list when doing your pollution prevention plan. Updated on May 19, 2017.

https://ecology.wa.gov/washington-state-pollution-prevention-planning-haz

Climate Resilience Strategy Engagement Plan

This Engagement Plan supports Ecology in our efforts to develop an updated statewide Climate Resilience Strategy.

https://ecology.wa.gov/climate-resilience-strategy-engagement-plan-final

Certificate of compliance: PFAS in food packaging 2024

This is the certificate of compliance for food packaging manufacturers for items regulated as of May 2024.

https://ecology.wa.gov/certificate-of-compliance-2024