Define "contamination" in the context of hazardous materials.

Answer: B — The presence of harmful substances in an environment or on personal protective equipment

The definition of "contamination" in the context of hazardous materials refers specifically to the presence of harmful substances in an environment or on personal protective equipment. This is crucial for understanding health and safety protocols when dealing with hazardous situations. Contamination implies that a harmful substance has been inadvertently introduced to an area, object, or material that should remain free of such substances. Recognizing contamination allows responders to take appropriate actions, such as decontamination procedures, to prevent exposure to hazardous materials and to protect public health and safety. This understanding is essential in emergency response situations where hazardous materials are present, ensuring that effective measures can be implemented to mitigate risks.