Which statement is not true about fumigants?

The statement that fumigants do not diffuse well through all parts of the structure is indeed the one that is not true. Fumigants are designed to penetrate various materials and spaces within a structure effectively, allowing them to reach pests that may be hidden in hard-to-reach areas. Their vaporized state allows them to diffuse throughout enclosed spaces, making them particularly effective over large areas and uneven surfaces. This attribute is what makes fumigation a preferred method for treating infestations in structures, as it ensures comprehensive exposure of pests to the active ingredients.

Fumigants are known for their effectiveness against a wide range of pests, which is why they are commonly utilized in pest management strategies. The need for specialized equipment for their application is a critical aspect of their use. Fumigants require careful handling and a controlled environment to ensure safety and effectiveness, necessitating the use of professional-grade tools and protocols. Additionally, the harmful effects of fumigants on humans if inhaled underscore the importance of following safety guidelines and using protective measures during application. This understanding is essential for both pest control professionals and the general public when considering the use of fumigation as a pest management strategy.