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By JHMT StaffJanuary 17, 2017

Today, the Pipeline and Hazardous Materials Safety Administration (PHMSA) issued for pre-publication in the Federal Register an Advance Notice of Proposed Rulemaking (ANPRM) titled Hazardous Materials: Volatility of Unrefined Petroleum Products and Class 3 Materials [Docket No. PHMSA-2016-0077 (HM-251D)]. From the ANPRM:

PHMSA is considering revising the Hazardous Materials Regulations (HMR) to establish vapor pressure limits for unrefined petroleum-based products and potentially all Class 3 flammable liquid hazardous materials that would apply during the transportation of the products or materials by any mode. PHMSA is currently assessing the merits of a petition for rulemaking submitted by the Attorney General of the State of New York regarding vapor pressure standards for the transportation of crude oil. The petition requests that PHMSA implement a Reid Vapor Pressure (RVP) limit less than 9.0 pounds per square inch (psi) for crude oil transported by rail.

PHMSA will be accepting comments until February 16, 2017. Comments can be submitted via the Federal eRulemaking Portal. PHMSA will use the comments in response to this ANPRM to help assess and respond to the petition and to evaluate any other potential regulatory actions related to sampling and testing of crude oil and other Class 3 hazardous materials. PHMSA will also evaluate the potential safety benefits and costs of utilizing vapor pressure thresholds within the hazardous materials classification process for unrefined petroleum-based products and Class 3 hazardous materials.

Click here to view the ANPRM HM-251D pre-publication document (PDF, 32 pages).

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