EPA 608 609 Ozone Depletion and Regulations 2

Question 1

Which atmospheric layer contains the ozone that protects life from harmful ultraviolet radiation?

Accepted Answer

Stratosphere

Answer

Troposphere

Answer

Mesosphere

Answer

Thermosphere

Question 2

What element released from CFCs is primarily responsible for destroying ozone molecules?

Accepted Answer

Chlorine

Answer

Carbon

Answer

Hydrogen

Answer

Oxygen

Question 3

A single chlorine atom can destroy approximately how many ozone molecules before becoming inactive?

Accepted Answer

Up to 100,000

Answer

About 10

Answer

About 100

Answer

About 1,000

Question 4

Which international agreement first set a schedule to phase out ozone-depleting substances?

Accepted Answer

Montreal Protocol

Answer

Kyoto Protocol

Answer

Paris Agreement

Answer

Clean Air Act

Question 5

Under U.S. regulations, what is the common term for the rating that compares a substance's ozone destruction to CFC-11?

Accepted Answer

Ozone Depletion Potential

Answer

Global Warming Potential

Answer

Total Equivalent Warming Impact

Answer

Refrigerant Hazard Index

Question 6

Which section of the Clean Air Act governs the handling and recovery of refrigerants?

Accepted Answer

Section 608

Answer

Section 112

Answer

Section 401

Answer

Section 211

Question 7

Increased exposure to UV-B radiation from ozone depletion is most directly linked to which human health risk?

Accepted Answer

Skin cancer

Answer

Heart disease

Answer

Diabetes

Answer

Hearing loss