Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Air Quality Analysis
Class 1 Federal Land Managers
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40 CFR section 51.307 requires the operator of any new major stationary source or major modification that may affect visibility in Class I areas to provide written notification, including the visibility analysis and all information relevant to their permit application, to Federal Land Managers (FLMs) for that area. Learn more about Federal Land Manager Notification of New Source Review Permit Applications in EPA's Pacific Southwest (Region 9).