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 This website is no longer updated and links to external websites and some internal pages may not work.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

Clean Air Markets

Facilities that notified EPA of delayed quality assurance activities under 40 CFR § 75.68

This document lists the notifications under 40 CFR § 75.68. This list will be updated regularly.

Notifications received under 40 CFR § 75.68(28 K, October 15, 2020)