What advantage does the M8 detector have over the M9 detector?

• A. It is cheaper
• B. It is more sensitive to nerve agents
• C. It identifies the specific type of chemical agent
• D. It requires no training

Answer: (C)

Knowing which chemical agent you’re facing lets you tailor protective gear and decon steps right away. The M8 detector uses color indicators that react differently to different agents, so the resulting colors point to the specific agent type (for example, distinguishing nerve agents from blister agents and, in some cases, identifying the exact agent). That on-site identification is the key advantage over the other detector, which mainly signals that a chemical agent is present but doesn’t tell you the exact type. You still need training to interpret the colors correctly and to carry out the appropriate response, so it isn’t “no training” or automatically cheaper.