Air Emission Measurement Center (EMC)

Method 25B - Gaseous Organic Concentration - Infrared Analyzer

Do you have questions about a Test Method, Performance Specification or Source Category? Find the EMC contact for your question in the EMC Directory.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Method 25B Determination of Total Gaseous Organic Concentration Using a Nondispersive Infrared Analyzer (PDF)(2 pp, 79 K)