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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Gasoline Standards

Requests for Modification of Octamix Waiver in 2011

The following notice and fact sheet were issued by EPA in 2011 to address a request for modification of the Octamix waiver to allow the use of two additional corrosion inhibitors.