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 This website is no longer updated and links to external websites and some internal pages may not work.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

Technical Amendments to the 2016 New Source Performance Standards and Emission Guidelines for CISWI

EPA issued technical amendments to certain testing and monitoring issues that have been identified during the Commercial and Industrial Solid Waste Incineration Units (CISWI) rule implementation phase. This action addresses those issues and offers regulatory flexibilities to the owners and operators of the CISWI units. This action also correct inconsistencies and provide additional clarification on regulatory provisions to the implementing agencies.

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