What about quitting because of safety reasons?

It is a hard thing to do, but if you have safety responsibilities and are not permitted to do the right thing, and the hazards are severe enough, you may need to quite to try to make your point.

If you are concerned about your personal safety at work and do not see improvements being made, you may decide that you need to quite to ensure that you are not killed or seriously injured. That is a matter for your personal decision, and is a hard thing to do, so act only after serious consideration and after consulting as many resources as possible.