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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Gas Transmission Integrity Management Progress Report

It has been seven years since the IM rule was published on December 15, 2003, and the baseline assessments of pipe that could potentially affect HCAs have mostly been completed. Thus, PHMSA is taking this opportunity to evaluate the progress and effectiveness of this major initiative. This report provides a discussion of PHMSA's progress in achieving the above program objectives as well as an examination of incident trends over this period.

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Effective Date: Monday, August 20, 2018