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Why are proper precautions necessary when using fumigants?

  1. They are harmless and easy to handle

  2. They are the least toxic pesticides available

  3. They are highly volatile and can be extremely toxic

  4. They require no protective measures

The correct answer is: They are highly volatile and can be extremely toxic

Proper precautions are necessary when using fumigants primarily because they are highly volatile and can be extremely toxic. Fumigants are designed to penetrate materials and control pests effectively, but their volatility means that they can easily evaporate into the air, potentially leading to harmful exposure for humans, animals, and the environment if not handled correctly. Moreover, the toxicity of these chemicals presents significant risks, which necessitates the use of protective gear, proper application techniques, and adherence to safety protocols. This ensures that anyone involved in the fumigation process can minimize their risk of exposure and mitigate any negative impacts. Understanding the properties and risks associated with fumigants thus underlines the importance of taking necessary precautions in their use.