What is a reason older specimens pose a risk to people?

• A. They are heavy to handle.
• B. They may contain arsenic from preservation.
• C. They smell nice.
• D. They attract children.

Answer: (B)

Older specimens were often preserved with arsenic-based chemicals to prevent decay and deter insects. Arsenic can remain in the material as dust or residues, so disturbing or handling the item can release exposure risk through skin contact or inhalation. That toxic risk is the primary safety concern with preserved, older specimens. To stay safe, use appropriate PPE, handle in a well-ventilated area, avoid crushing or grinding the material, and follow proper hazardous-waste disposal guidelines. Heaviness, pleasant smells, or drawing attention from kids are not the main hazards in this situation.