The EMC's Technical Information Documents are developed to explain the derivation of factors, equations, and procedures, and to provide technical information necessary for regulatory agencies to make decisions about acceptance of data and alternative methods and monitoring.
Do you have questions about a Technical Assistance Document? Find the EMC contact for your question in the EMC Directory.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- TID 017 - Opacity of Combined Gas Streams (PDF)(7 pp, 527 K, 11/9/1991)