Air Operating Permit Register
The Air Operating Permit Register lists all actions a clean air agency takes on a facility's permit application. These actions may include draft and final permits, permit modifications, and public hearings/meetings. The Permit Register also informs the public about how to be involved in the air operating permit process.
Ecology publishes the Air Operating Permit Register on the 10th and 25th (or the closest work day) of each month, when there are entries.
Submit your Air Operating Permit Register entry electronically.
Sign up for email updates to the Air Operating Permit Register.
An Air Operating Permit combines in one document all the operational and procedural requirements, emission standards, and other requirements for facilities of a certain size that release air pollution.
A facility is required to obtain an Air Operating Permit if it has the potential to emit more than:
If a facility has the potential to emit these amounts, but actually emits less, its operator/owner can ask to be authorized to operate without an air operating permit. Local and state air pollution requirements still apply. This action would be included in the Permit Register.
Facilities that have the potential to emit more than the thresholds for major source status, but actually emit less, can ask for and receive a legal order from the permitting authority. The order will place limits on the operation of the facility and the emissions will be limited to below the thresholds. Examples of limitations could be: hours of operation, types of solvents allowed, installation and use of the latest air pollution control device, or changes in fuel makeup in order to be considered a synthetic minor source.
EPA has authorized Ecology and local clean air agencies to administer the Air Operating Permit Program. Ecology or a local clean air agency writes the permits. For more information about a specific permit, contact the appropriate office.
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