The CO2 system would be acceptable to the EPA under the condition that MVAC system was designed to avoid concentrations in the passenger cabin that are above _____ for more than 15 minutes

The _________ has developed a standard for recovery and recovery/recycling machines that are to be used with flammable refrigerants.

Which of the following are associated with risk of depletion of ozone layer: (Multiple Answer Question)

The U.S. EPA does characterize used refrigerants as hazardous waste

Since _______, it has been illegal to vent substitutes for chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) refrigerants:

R-152a refrigerant chemical compound does not composed of which of the following:

Purity specification of new, recycled or reclaimed R–134a must meet _____ standard:

Under these safe disposal requirements as per the EPA, the final person in the disposal chain, is responsible for ensuring that the refrigerant is recovered from the equipment before the final disposal of the equipment:

Refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds _______

Service technicians who violate Clean Air Act provisions can be:

Which of the following are most stable in lower atmospheres of Earth:

Which of the following is the example of HFCs: