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Questions and Answers: Railworthiness Directive for Railroad Tank Cars Equipped with Certain McKenzie Valve & Machining LLC Valves

Document Series
Policy and Guidance
Kurt Eichenlaub
Subject Hazardous Materials
Railworthiness directive, McKenzie Valve, UNNR
This document provides guidance on moving tank cars equipped with the McKenzie valves specified in the Railworthiness Directive published March 18, 2015. The document was updated on May 14, 2015 to incorporate the alternate compliance schedule authorized by the May 12, 2015 letter from FRA to RSI.
Download QUESTIONS AND ANSWERS Draft 3.pdf
Last updated: Wednesday, March 25, 2015
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