Final answer:
The Material Safety Data Sheet (MSDS) must be maintained for each hazardous chemical in a workplace or job site.
Step-by-step explanation:
The correct answer is B) Material Safety Data Sheet (MSDS).
A Material Safety Data Sheet (MSDS) must be maintained for each hazardous chemical in a workplace or job site. MSDS provides valuable information about how to work with chemicals and the dangers they pose.
It contains information on handling, storage, disposal, and emergency procedures for a particular chemical.