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 may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.
Method 2A—Direct Measurement of Gas Volume Through Pipes and Small Ducts 8-3-2017 (PDF)(6 pp, 395 K)
CFR Promulgated Test Method 2A, Direct Measurement of Gas Volume Through Pipes and Small Ducts.