NFPA (Fire) 58 Historical

The only Code for propane adopted in the U.S. and widely referenced around the globe, the Liquefied Petroleum Gas Code is the most trusted source for safety requirements concerning highway transportation of LP-Gas and the design, construction, installation and operation of all LP-Gas systems. 

Updates to the 2004 edition include: 

New security measures for bulk sites and industrial plants. 
Added propane cylinder requalification requirements. 
No more flipping to DOT specifications 5.2.1.6 
Added tables for faster, easier referencing of vital quantities and other rules, such as the new table of allowable quantities of LP-Gas in cylinders located in building occupancies. 
Clarified requirements for container appurtenance safety valves. 
New tables make referencing faster and easier.

Text dealing with multiple topics is arranged in sections to streamline research efforts. For example, Chapters 5 and 6, LP-Gas equipment and installation requirements, are renumbered with parallel section numbers. And, in keeping with the needs of today's professionals throughout the field, operations and maintenance requirements are extended to cover marine, pipeline, and refrigerated storage facilities.