Extension of Comment Period on Draft Documents Related to the Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides

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The U.S. Environmental Protection Agency (EPA) is announcing a 30-day extension of the comment period on two draft documents titled, Risk and Exposure Assessment for the Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides, External Review Draft (draft REA) and Policy Assessment for the Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides, External Review Draft (draft PA). The EPA is extending the comment period for an additional 30 days to provide stakeholders and the public with additional time to review these documents and to prepare meaningful comments. The original comment period was to end on October 18, 2017. The extended comment period will now close on November 17, 2017.