An official website of the United States government.

Air Emission Measurement Center (EMC)

EMC Guideline Documents

The EMC's Guideline Documents are developed to clarify undefined technical areas of methods and performance specifications, to set policy for the methods and monitoring where the method does not address the particular application necessarily, and to describe alternatives to sampling procedures within the methods or performance specifications. Some of the guidance may result in changes to the methods or performance specifications.

Most of the guidance documents are PDFs, except where indicated. You will need Adobe Reader to view the files on this page. See EPA’s About PDF page to learn more.

The following PDFs may not be completely formatted for screen readers or other assistive technology.  Please contact us for assistance.