CPA - Certified Pesticide Applicator Environmental Safety and Protection Questions and Answers

Question 1

An applicator needs to apply a highly soluble, non-persistent herbicide in an area with sandy soil and a shallow water table. Which environmental risk is of greatest concern in this situation?

Accepted Answer

Groundwater contamination due to leaching

Answer

Surface runoff into a nearby stream

Answer

Long-term soil persistence affecting future crops

Answer

Vapor drift to adjacent sensitive plants

Question 2

Which of the following weather conditions is characterized by cool, still air near the ground with a layer of warmer air above it, creating a high risk for concentrated pesticide drift over long distances?

Accepted Answer

A temperature inversion

Answer

High humidity with a light, steady breeze

Answer

A clear, sunny day with strong vertical air currents

Answer

Overcast skies with moderate rainfall

Question 3

To minimize the risk of pesticide poisoning to honey bees and other pollinators, what is the generally recommended time of day for application to blooming crops?

Accepted Answer

Early morning or late evening

Answer

Mid-day, when temperatures are highest

Answer

Any time during a light, steady wind

Answer

Immediately after a rainfall event

Question 4

While loading a sprayer, a pesticide concentrate spills onto a concrete mixing/loading pad. After ensuring personal safety by putting on the correct PPE, what is the immediate next step?

Accepted Answer

Control and contain the spill by creating a dam or dike around it.

Answer

Immediately wash the entire pad down with a high-pressure hose.

Answer

Cover the spill with a plastic tarp to prevent volatilization.

Answer

Report the spill to the State Emergency Response Commission.

Question 5

A pesticide's tendency to bind tightly to soil particles, which reduces its potential for leaching, is known as:

Accepted Answer

Adsorption

Answer

Solubility

Answer

Volatility

Answer

Persistence

Question 6

An applicator has several empty, non-refillable plastic pesticide containers. After properly pressure-rinsing each container, what is the most environmentally sound and legally compliant final step before disposal?

Accepted Answer

Puncture the containers and take them to a designated recycling program or landfill.

Answer

Dispose of the containers in the regular household trash.

Answer

Burn the containers in an open field to destroy any residue.

Answer

Reuse the containers to store leftover spray mix for the next application.

An applicator needs to apply a highly soluble, non-persistent herbicide in an area with sandy soil and a shallow water table.Which environmental risk is of greatest concern in this situation?

An applicator needs to apply a highly soluble, non-persistent herbicide in an area with sandy soil and a shallow water table.
Which environmental risk is of greatest concern in this situation?