[font="arial, helvetica"][/size]Here's the official source...

1) Select OSHA
2) Select Proposed rules
Then click SUBMIT
When the page opens for Explosives...click the Adobe PDF icon a couple inches down from the top.

http://www.regulations.gov/fdmspublic/component/ main

Better get some spare cases on the way...family & relatives, friends, neighbors...[/size]