![[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis](https://webarchive.library.unt.edu/eot2008/20081105095701im_/http://www.phmsa.dot.gov/staticfiles/PHMSA/SiteHeaders/Images/PHMSASiteHeader.gif)
Recent Updates
| HM-244A | Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications | Oct 1, 2008 |
| HM-232F | Risk-Based Adjustment of Transportation Security Plan Requirements | Sep 9, 2008 |
| HM-215J | Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions; Proposed Rule | Jul 31, 2008 |
| HM-224D | Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions; Proposed Rule | Jul 31, 2008 |
| HM-218D | Shipping name and UN identification number for fuel mixtures composed of ethanol and gasoline to help emergency response personnel | Jul 16, 2008 |
| HM-208G | Registration and Fee Assessment Program | May 5, 2008 |
| HM-246 | Improving the Safety of Railroad Tank Car Transportation of Hazardous Materials | Apr 1, 2008 |
| HM-145N | Revisions to the List of Hazardous Substances and Reportable Quantities | Jan 7, 2008 |
| HM-244 | Minor Editorial Corrections and Clarifications | Oct 18, 2007 |
| HM-224B | Transportation of Oxygen Cylinders on Aircraft | Sep 28, 2007 |
