Final answer:
Dichlone packaged in a one-pound container is regulated as a pesticide, which is a substance intended to control pests.
Step-by-step explanation:
Dichlone in a one-pound package is regulated as a pesticide. Pesticides are substances designed to control pests and include a variety of types such as herbicides, insecticides, fungicides, and more. Compounds like 2,4-D (2,4-dichlorophenoxyacetic acid) have been widely used as herbicides in agriculture. Given the context of the use of similar chemicals and their applications in controlling pests and their categorization, it is clear that dichlone would be considered as a pesticide.