PHMSA Withdraws Proposed Wetlines Rule

The Pipeline and Hazardous Materials Safety Administration (PHMSA) published its withdrawal of its wetlines proposed rule as mandated by Congress in the recent highway bill known as the FAST Act.

In its announcement, PHMSA said the agency would carry out further safety efforts through nonregulatory initiatives The notice is available at

The rule, proposed in 2011, would have limited the amount of gasoline in each wetline to one liter and gave tank truck operators 12 years to retrofit existing tanks with bottom protection (such as steel rails or purging equipment). Any trailer manufactured two years after the date of regulation would have to be equipped with purging devices or steel guard rails to shield the wetlines from impact in the event of a collision. 



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