Ozone at ground level is a harmful pollutant

HFC-152a MVAC systems are acceptable if MVAC systems must be designed to avoid concentrations in the passenger cabin that are above ______ for more than 15 seconds.

Chlorine reacts with ozone and converts ozone to:

The sale of small containers of refrigerant under _____., including the one pound cans, are restricted to only people certified in Section 609.

Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than _______

According to ______, service shops must certify to the EPA that they own approved recovery equipment

Skin or eye contact with fluorocarbon refrigerants can result in:

Refrigerants are lighter than air:

Which of the following refrigerants has minimum or zero ozone depletion potential:

Most halogenated compounds will decompose at room temperature:

Ozone is an unstable molecule:

countries responsible for approximately ______ of the world’s production capacity for CFCs and halons have signed the Montreal Protocol