The Environmental Protection Agency (EPA) is taking final rulemaking action to approve, as part of the State Implementation Plan (SIP) for the State of Arizona, the second 10-year maintenance plan for the San Manuel area for the 1971 National Ambient Air Quality Standards (``standards'') for sulfur dioxide (SO2 ).
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Approval of Arizona Air Plan Revision; San Manuel, Arizona; Second 10-Year Sulfur Dioxide Maintenance Plan
The Environmental Protection Agency (EPA) is taking final rulemaking action to approve, as part of the State Implementation Plan (SIP) for the State of Arizona, the second 10-ye...
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82 FR 59521
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“Approval of Arizona Air Plan Revision; San Manuel, Arizona; Second 10-Year Sulfur Dioxide Maintenance Plan,” thefederalregister.org (December 15, 2017), https://thefederalregister.org/documents/2017-26971/approval-of-arizona-air-plan-revision-san-manuel-arizona-second-10-year-sulfur-dioxide-maintenance-plan.