Nope.
no
Any career where you'll be doing any type of commercial construction of any kind. please visit www.osha.gov to learn more about careers that require osha training.
OSHA regulations dictate their necessity, for the most part.
In medical situations that can produce sharps OSHA does require their availability and use.
OSHA has no requirement for spore testing.
OSHA does not establish or require dress-codes. OSHA does require that each employer assess the hazards of the workplace and require the use of personal protective equipment suitable to the circumstances.
Certain ear plugs can be OSHA certified. If you go to a commercial supplier, the package should indicate whether they are OSHA compliant.
Yes
OSHA has not established color code requirements for natural gas lines.
OSHA does not require education. It does require that employees receive training about the hazards to which they may be exposed during their employment and the means that are used (including their own appropriate actions) to protect them from those hazards.
Depending on the height.
Depending on the height.