What do I do if my boss is making me assist in procedures I'm not comfortable with?

If it is against the law for someone to perform those procedures you are talking about that is not properly trained or educated in then yea I'm sure you could do something legally. But I would just tell him that you are not comfortable in doing those things. I doubt he will fire you over it and if he does then I would get unemployment on his a@@ then I would use that money to get a lawyer and sue him.