General
Legacy ID
21
Oak Ridge National Laboratory Updated Pipeline Safety Review of Indian Point Site
At the request of PHMSA, the Oak Ridge National Laboratory conducted an independent review of a report issued by the U.S. Nuclear Regulatory Commission Expert Evaluation Team and other relevant documents to identify potential hazards to the ongoing decommissioning activities at the Indian Point...
New HAZMAT Research Reports
PHMSA’s Hazardous Materials Research, Development and Technology team recently completed two new reports analyzing the potential safety impacts associated with changing the concentration of fine grain metal powders used in pyrotechnics and the risks associated transporting aerosols. ...
PHMSA Notice of Limited Enforcement Discretion for Existing Onshore Gas Transmission Pipelines
In relation to its final rulemaking entitled “Pipeline Safety: Safety of Gas Transmission Pipelines: Repair Criteria, Integrity Management Improvements, Cathodic Protection, Management of Change, and Other Related Amendments,” PHMSA is providing notice that it will exercise regulatory...
Notice of Limited Enforcement Discretion for Existing Onshore Gas Transmission Pipelines
In relation to its final rulemaking entitled “Pipeline Safety: Safety of Gas Transmission Pipelines: Repair Criteria, Integrity Management Improvements, Cathodic Protection, Management of Change, and Other Related Amendments,” PHMSA is providing notice that it will exercise regulatory...
Aerosol Transportation Risk Assessment
PHMSA contracted with the Cambridge Systematics Team to complete an Aerosol Risk Assessment. The purpose of this assessment was to determine if the United Nations Model Regulations' definition of aerosols maintain an equivalent level of safety to the Hazardous Material Regulations' (HMR)...
Fine Grain Metal Powder Final Report
Under contract with PHMSA, A-P-T Research, Inc. conducted research and testing for a variety of percentages of fine grain metal powders in pyrotechnic compositions (specifically in burst charges) to identify the potential safety impacts on hazard classification when changing the concentration of...
PHMSA Notice of Enforcement Policy for International Standards
The enforcement policy regarding international standards notifies offerors and carriers of hazardous materials that PHMSA will not take enforcement action against any offeror or carrier using these standards for the domestic or international transportation of packages by any mode as it continues...
PHMSA Notice of Enforcement Policy Regarding International Standards - November 2022
The enforcement policy regarding international standards notifies offerors and carriers of hazardous materials that PHMSA will not take enforcement action against any offeror or carrier using these standards for the domestic or international transportation of packages by any mode as it continues...