Air Plan Approval; Arizona; Maricopa County Air Quality Department
Primary source
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Issuing agencies
Abstract
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department's (MCAQD) Rule 510 as part of the Arizona State Implementation Plan (SIP). These rule revisions concern updates to the maximum levels of ambient air pollution for the protection of public health and welfare. We are finalizing our proposed approval of this rule to regulate ambient air emissions under the Clean Air Act (CAA or the Act).
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