You are missing the part where you told a guy there were rules that don't exist. You were corrected and now seem to be playing dumb.
Dumb, eh ? Nice.
If you are talking about the part where I said that large quantities of powder were to be stored in a wooden container - that is what I was told around 50 years ago. I was simply trying to validate, what the OP mentioned about it. In the posted regs, there is some mention of using wood in some applications - shelves, etc. - so I'm assuming there still must be something to it.