Public Hearing for and Extension of Comment Period on Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides

The Environmental Protection Agency (EPA) is announcing that a public hearing will be held on the EPA's proposed decision in its ``Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides,'' which was published in the Federal Register on June 8, 2018 (83 FR 26752). The EPA is proposing to retain the existing standard without revision. The hearing will be held on Tuesday, July 10, 2018, in Washington, DC. The EPA is additionally announcing a 17- day extension of the comment period for this proposed decision. The original comment period was to end on July 23, 2018. The extended comment period will now close on August 9, 2018.