Information on TNI's Stationary Source Audit Sample Program

Date Posted: 9-22-2010

On August 26, 2010, the EPA issued a final rule to restructure the EPA's Stationary Source Compliance Audit Program.  The final rule was published in the Federal Register on September 13, 2010, and will take effect on October 13, 2010.

TNI has adopted standards to operate as a Voluntary Consensus Standards Body as defined in the final rule, and is currently awaiting EPA's review and approval of those standards.  At this time, TNI has not been given an estimate regarding how long the EPA review will take.  TNI is also conducting its own review to ensure that the standards comply with any changes in the rule that may have occurred between draft and final form.

Once TNI's SSAS Program has been approved by EPA, TNI will make information available on the TNI website ( regarding accredited Audit Sample Providers.  Additionally, per the final rule, information re. accredited Providers and the available audit samples will be posted on the EPA website.  As stated on the EPA website (as of 09-20-2010), "currently there are no accredited audit sample providers, and therefore no audit samples are available. If samples are not available, then audit sample analysis is not required for the EPA methods used for compliance testing."  The EPA will update their website as accredited providers and samples become available.  Visit for more information.

For questions, please e-mail Maria Friedman, chair of the TNI SSAS Expert Committee, at [email protected] or call 714-656-4311.