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Air Quality Program

Clean Air Rule

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Washington’s water supply, air quality, and infrastructure are at risk because of climate change. Ecology adopted a rule under our state’s Clean Air Act to reduce carbon pollution to do our part to help slow climate change. The Clean Air Rule regulates the businesses who are responsible for about two thirds of carbon pollution in Washington, such as transportation, refining, and manufacturing.

Official rule documents

Who is covered under the Clean Air Rule?

In 2017 organizations that are responsible for 100,000 metric tons of carbon pollution annually are required to cap and gradually reduce their emissions. Every three years, the threshold is lowered by 5,000 metric tons and more emitters are brought into the program. By 2035 the threshold will reach 70,000 metric tons where it will remain.

Businesses categorized as energy-intensive, trade-exposed industries and fuel importers begin participating in the program in 2020.

The types of organizations covered by the rule include:

  • Natural gas distributors
  • Petroleum product producers, i.e. refineries, and importers
  • Metal, cement, pulp and paper, and glass manufacturers
  • Power plants
  • Waste facilities

List of potential Washington regulated businesses

Clean Air Rule
Reporting

Report your greenhouse gas emissions and emission reduction units. View verification requirements and find a verifier.

 

Energy-Intensive, Trade-Exposed Businesses (EITEs)

Find guidance for energy-intensive, trade-exposed businesses to comply with the Clean Air Rule.

 

Meeting Clean Air Rule Requirements

Learn how organizations can reduce their emissions and get emission reduction units.

 

Impacts

Read about the Clean Air Rule's economic impact, how the rule accommodates business growth and the Environmental Justice Committee.


Video gallery


Reducing pollution

Rule update

Director Bellon's address

Preserving Puget Sound

Seeking feedback

Who's covered?

 


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