What hazard type is indicated by excessive heat or cold?

• A. Biological
• B. Chemical
• C. Thermal
• D. Radiological

Answer: (C)

Excessive heat or cold is classified as a thermal hazard. This type of hazard pertains specifically to temperature extremes that can pose risks to human health and safety. For instance, exposure to extreme heat can lead to heat exhaustion or heat stroke, while exposure to extreme cold can result in hypothermia or frostbite.

Thermal hazards are distinct from other types of hazards. Biological hazards typically involve exposure to harmful microorganisms or biological materials. Chemical hazards are associated with toxic substances that can cause harm through chemical reactions. Radiological hazards relate to exposure to radioactive substances and their potential effects. Therefore, identifying excessive heat or cold as a thermal hazard accurately underlines the specific risks associated with temperature extremes.