January 18, 2017: (ANPRM) (HM-251D) Volatility of Unrefined Petroleum Products and Class 3 Materials

PHMSA is considering making a revision to the HMR that would establish vapor pressure limits on unrefined petroleum based products and Class 3 flammable liquids during transportation and will apply to all modes of transportation.
Interested parties may submit comments until March 20, 2017. PHMSA will be evaluating all comments, potential safety benefits, and costs associated with using vapor pressure thresholds.

Docket No. PHMSA–2016–0077 (HM–251D)