[Header] PHMSA - U.S. Department of Transportation - Pipeline and Hazardous materials Safety Adminis

The following reports are also available throughout this site.

Biennial Reports    
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
Civil Penalty Action Reports