21. Are caution tags used only in situations where a non-immediate
or potential hazard
or unsafe practice presents a minor threat?
[29 CFR 1910.145(f)(6)]
22. Are warning tags used to represent a hazard level between caution and danger? [29 CFR 1910.145(f)(7)]
23. Are biological hazard tags used to identify equipment, containers, rooms, and experimental animals (or combinations thereof) that may include a hazardous biological agent? [29 CFR 1910.145(f)(8)(i)]