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85 FR 37756

06/24/2020
Update Type: 
Final Rules

EPA determined that the West Pinal County, Arizona, nonattainment area did not attain the 1987 24-hour particulate matter NAAQS by December 31, 2018, the statutory attainment date for the area; the final determination requires the nonattainment area to be reclassified to serious and requires the state to submit SIP revisions that comply with the statutory and regulatory requirements for serious particulate matter nonattainment areas.

50

Issue

8

Update Volume

50

Update Issue

20