Which of the following is a contact hazard that can arise from vapors?

• A. Vapors are always safe to inhale
• B. They can cause chemical burns
• C. Vapors do not affect human health
• D. They are non-toxic

Answer: (B)

Vapors can pose significant contact hazards, particularly by leading to chemical burns upon contact with skin or mucous membranes. Many hazardous substances, when in vapor form, can condense and cause irritation or damage to the tissue. This can occur not only because of the corrosive nature of certain chemicals but also due to the way vapors can interact with moisture within the body.

Vapors containing harmful chemicals can penetrate the skin or be inhaled, potentially resulting in a range of health issues, including burns, poisoning, or respiratory problems. Thus, it is essential for individuals dealing with such materials to be aware of the risks associated with exposure to vapors and to use appropriate protective measures, such as personal protective equipment (PPE), to prevent contact and subsequent chemical burns.