CPA Environmental Impact & Regulations 3

Question 1

Which document must an applicator consult to determine the required pre-harvest interval (PHI) before treating a food crop?

Accepted Answer

The pesticide product label

Answer

The product label specifies the pre-harvest interval, which is a legally binding restriction on when treated crops may be harvested.

Question 2

Integrated Pest Management (IPM) reduces environmental impact primarily by:

Accepted Answer

Using pesticides as a last resort after other control methods have been evaluated

Answer

IPM minimizes pesticide use by combining cultural, biological, mechanical, and chemical tactics, using chemicals only when thresholds are exceeded.

Question 3

Spray drift is most likely to increase under which weather condition?

Accepted Answer

Low wind speeds with high temperature inversion

Answer

Temperature inversions trap fine droplets near the ground, allowing them to drift horizontally for long distances even in light air.

Question 4

Which federal agency is responsible for enforcing pesticide residue violations on food in interstate commerce?

Accepted Answer

Food and Drug Administration (FDA)

Answer

The FDA enforces pesticide residue tolerances on most domestic and imported foods, while USDA covers meat, poultry, and egg products.

Question 5

An applicator notices bees foraging on a crop scheduled for pesticide treatment. The best course of action is to:

Accepted Answer

Delay the application until bees are not actively foraging, typically at dusk or dawn

Answer

Applying when bees are not foraging (early morning or evening) greatly reduces pollinator exposure and mortality.

(CPA) Certified Pesticide Applicator Practice Test