Which mnemonic helps firefighters remember the seven categories of harm that can be caused by terrorism agents or other hazardous materials?

The correct answer is TRACEMP because this mnemonic specifically helps firefighters and first responders remember the seven categories of harm associated with hazardous materials and terrorism agents. The categories represented by TRACEMP include:

• T: Thermal

• R: Radiological

• A: Asphyxiation

• C: Chemical

• E: Etiological (biological)

• M: Mechanical

• P: Psychological

These categories cover the different types of effects that hazardous materials can have on human health and safety, providing a comprehensive framework for responders to assess potential risks during incidents involving such materials.

Other options, while relevant to various safety concepts, do not specifically identify or group the categories of harm in the context of hazardous materials in the same way that TRACEMP does. For example, HAZMAT refers generally to hazardous materials but does not define the specific types of harm. Similarly, SIGMA and FIRESAFE may relate to safety concepts but do not focus on the categories of harm caused by hazardous agents. Therefore, TRACEMP is the most effective mnemonic for this purpose.