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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Cannabis Lab Report

Overview of Ecology's 2019 report to the Legislature on the state's cannabis lab accreditation program.

https://ecology.wa.gov/cannabis-lab-report-overview

Plan to improve cannabis lab accreditation

Ecology's overview of their plan to move cannabis lab accreditation to Ecology from the Liquor and Cannabis Board.

https://ecology.wa.gov/plan-for-cannabis-labs

Biochemical Oxygen Demand (BOD) - Benchsheet for bottle method

The worksheet for labs uses the bottle method for biochemical oxygen demand testing.

https://ecology.wa.gov/bod-benchsheet

BOD benchsheet for SM 5210B

This a quality-control tool for environmental laboratories is used with the 5-day Biochemical Oxygen Demand (BOD) test, Standard Method 5210-B.

https://ecology.wa.gov/bod-benchsheet-sm-5210b

Fecal coliform benchsheet

for FC Standard Method 9222D analysis

https://ecology.wa.gov/fecal-coliform-benchsheet

pH benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/ph-benchsheet

Total suspended solids benchsheet

is a quality-control tool for environmental laboratories.

https://ecology.wa.gov/total-suspended-solids-benchsheet

Frequently Asked Questions: Periodic Review of Shoreline Master Programs

Answers to frequently asked questions for local governments conducting periodic reviews of their shoreline master programs.

https://ecology.wa.gov/faqs-periodic-review-of-shoreline-master-programs

Children's Safe Products Act Reporting Contaminants

Clarification on reporting contaminants under the Children's Safe Products Act. This includes manufacturing control programs and due diligence.

https://ecology.wa.gov/children-s-safe-products-act-reporting-contaminant

Final Rule Chapter 173-350 WAC AO# 13-08

This is the final rule language adopted on August 1, 2018

https://ecology.wa.gov/final-rule-chapter-173-350-wac

Grant scope of work template

Template for state grants to local governments to complete their required shoreline program periodic reviews.

https://ecology.wa.gov/grant-scope-of-work-template

Periodic Review Checklist

Checklist to guide local governments in their shoreline master program periodic reviews.

https://ecology.wa.gov/periodic-review-checklist

Periodic Review Checklist Guidance

Guidance for local governments for how to complete their periodic review checklist for shoreline master programs.

https://ecology.wa.gov/periodic-review-checklist-guidance

Agreed Order 7273

The Pollution Control Hearings Board (PCHB) issued a ruling on January 5, 2011 that the Agreed Order #7273 entered in between Ecology and Clark County is unlawful

https://ecology.wa.gov/agreedorder7273

Public Participation Plan Example

Example of a 3 pg. public participation plan for use by local governments when completing periodic reviews of their shoreline master programs.

https://ecology.wa.gov/public-participation-plan-example

Rulemaking Proposal WAC 173-350 01/23/18

This is the information the agency filed with the Office of the Code Reviser on January 23, 2018 to formally propose amendments to Chapter 173-350 WAC - Solid Waste Handling Standards

https://ecology.wa.gov/rulemaking-proposal-wac-173-350-01-23-18

Summary of the rule (WAC 173-26-090)

Summary of changes to state shoreline master program requirements regarding periodic reviews.

https://ecology.wa.gov/summary-of-the-rule-wac-173-26-090

WSR 23-19-066 Commerical airport restrictions

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

https://ecology.wa.gov/wsr-23-19-066

WAC 173-50: Accreditation of Environmental Laboratories

This is the rulemaking page for Chapter 173-50 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-50

Proficiency testing requirements

Six proficiency testing sample providers are approved by our laboratory accreditation program.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/proficiency-testing-providers