Seeings as hazardous material comes under the perview of several agencies, DOT, Dept. of Commerace, OSHA, etc., what works for one may very well be in conflict with another agency. The Federal Government is a confuluted beast!

As I indicated before, this a new wrinkle in the reg. and a persons ignorance of the law does alleviate the penalties under the law. Face it, to be in the scuba industry for as long as you say, and now the trucking industry for 56 years, I am amazed you have time to sleep.

The regs apply to ALL high pressure cylinders, regardless of current state of pressure (or lack thereof). I did not say it made sense, just that it was.

How they are shipping them is unknown to me, but ignorance of contents is not going to be an excuse much longer.