An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Rulemaking to Affirm Interim Amendments to Dates in Federal Implementation Plans Addressing Interstate Transport of Ozone and Fine Particulate Matter (81 FR 13275)

This rulemaking affirms and makes permanent certain amendments previously made on an interim basis to the Code of Federal Regulations (CFR) provisions implementing the Cross-State Air Pollution Rule (CSAPR).

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

81 FR 13275 (PDF)(5 pp, 210 K, March 14, 2016)
Rulemaking To Affirm Interim Amendments to Dates in Federal Implementation Plans Addressing Interstate Transport of Ozone and Fine Particulate Matter