Stationary Source Test Audit Information

This is the link to EPA's official list of available accredited audit samples with at least two competitive commercial sample providers by analyte. This page provides additional information links to The NELAC Institute (TNI) Stationary Source Audit Sample Program and commercial sample providers.

EPA's official list of available accredited audit samples
Please note in accordance with the current EPA list an audit sample analysis is required when conducting EPA Reference Methods 6, 7, 8, 12, 13A, 13B, 26, 26A, 29, and 101A. See the EPA link for a list of methods and the available analytes requiring audits.

TNI Stationary Source Audit Sample Program

Testers register with TNI to access the SSAS Central Database

Restructuring of the Stationary Source Audit Program Final Rule(Federal Register 09/13/2013)