What is a "diked area" in terms of pesticide and fertilizer storage?

A "diked area" refers to a secondary containment structure designed to prevent the release of pesticides and fertilizers into the environment. This area typically has a barrier or wall, which can be made of earthen materials, concrete, or other impermeable materials, that surrounds the storage area for chemicals. The key function of a diked area is to capture any spills or leaks that may occur during handling, transfer, or storage of these substances.

By having this secondary containment, it provides an extra layer of safety beyond the primary containment systems, such as tanks or containers. Regulations often require such measures to minimize the risk of contamination to soil and water, thus protecting agricultural areas and ecosystems. Therefore, identifying a diked area as secondary containment is crucial in terms of environmental safety and compliance with agricultural practices.