Which of the Following Is True Concerning Labeling of Chemicals

Which of the following is true concerning labeling of chemicals in the dental office?

A) All chemicals in the dental office must be labeled.
B) When the chemical is transferred to a different container, the new container does not require labeling.
C) There is an official labeling system that must be used.
D) A photocopy of the label from the original container affixed to the new container is not acceptable.