CPA Environmental Impact & Regulations 2

Question 1

Which federal law establishes tolerances (maximum residue limits) for pesticides in food?

Accepted Answer

Federal Food, Drug, and Cosmetic Act (FFDCA)

Answer

The FFDCA authorizes EPA to set tolerances for pesticide residues on food and feed commodities.

Question 2

A pesticide label states 'Do not apply within 50 feet of any water body.' This buffer zone requirement is primarily intended to protect against:

Accepted Answer

Pesticide runoff and spray drift into aquatic habitats

Answer

Buffer zones near water bodies are established to reduce pesticide runoff and drift that could harm aquatic organisms.

Question 3

Under FIFRA, who bears the primary legal responsibility for ensuring a pesticide is used according to its label?

Accepted Answer

The certified applicator using the product

Answer

FIFRA places legal responsibility on the user — the certified applicator — to follow all label directions.

Question 4

Bioaccumulation of a pesticide is most likely to occur in which type of compound?

Accepted Answer

Lipophilic (fat-soluble) organochlorines

Answer

Lipophilic, persistent compounds like organochlorines accumulate in fatty tissues and concentrate up the food chain.

Question 5

Which practice best reduces pesticide contamination of groundwater through leaching?

Accepted Answer

Avoiding applications before heavy rain and using soil-binding formulations

Answer

Avoiding pre-rain applications and choosing formulations that bind to soil particles significantly reduces leaching to groundwater.

(CPA) Certified Pesticide Applicator Practice Test