Topic: Portable tanks

NTSB Recommendation: Revise requirements for pressure-relief venting on U.S. DOT specification 57 portable tanks used to transport dicumyl peroxide and other products with similar rapid decomposition characteristics to ensure the pressure relief systems prevent over rupture of tanks from a rapid product decomposition reaction.

PHMSA Action: Closed

Latest PHMSA Response: Final Rule published.

NTSB Status: CAA; 05-28-02

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