You are helping to clean out an office that has a chemical you are unfamiliar with stored in a closet. Which of the following is most useful in determining safe disposal and handling procedures?

Meyers, M$.,$ & Soper, M$.$ E$.(2020).$ Mike Meyers' CompTIA A$+$ Certification Passport $($Exams $220-1001$ & $220-1002)(7$th Edition$)[$eBook$].$ McGraw$-$Hill.

Question $29$ options:

A$.$ Government regulations

B$.$ MSDS

C$.$ Product labeling

D$.$ Guesswork