![[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis](https://webarchive.library.unt.edu/web/20161031235416im_/http://www.phmsa.dot.gov/staticfiles/PHMSA/SiteHeaders/Images/PHMSASiteHeader.gif)
| Confirmation of Filling Densities | Listed in the United Nation (UN) Model Regulations, Volume I, Thirteenth revised edition. | Nov 1, 2002 |
| Full HMPE Report | Mar 1, 2000 |
| HMPE Executive Summary | Mar 1, 2000 |
| Incident Cost Analysis | Sep 1, 2005 |
| Neck Threads Inspection: External | Basic guidelines for the inspection and evaluation of DOT/TC cylinder (tube) mounting threads with outside diameter greater than or equal 18" | Jul 31, 2007 |
| The Dynamics of Tank-Vehicle Rollover | Nov 2, 1998 |