with solutions 2025
After a refrigerant is phased out, can equipment still contain that refrigerant? - ANSWER Yes,
Phasing out a refrigerant means that it can no longer be produced or imported. Technicians can
still service equipment that contains that refrigerant, but those technicians need to be Section
608 certified.
After being phased out, where can technicians obtain refrigerant to service equipment that
contains that refrigerant? - ANSWER After a refrigerant is phased out, technicians still need to
service systems that contain that refrigerant. In order to service existing equipment, technicians
can obtain refrigerant from the recovered and reclaimed refrigerant.
From recovered refrigerant,
From reclaimed refrigerant
Can refrigerant be resold? - ANSWER Yes, but only if it has been reclaimed to AHRI Standard 700
specifications
Equipment has to be certified to EPA standards in order to recover which of the following
refrigerants? - ANSWER All equipments with ozone depleting refrigerants or their substitutes
need to be up to EPA standards. "ozone depleting refrigerants and their substitutes" include
CFCs, HCFCs, and HFOs.
CFCs,
HCFCs,
, HFCs
If you are selling R-22 refrigerant, who can you sell to? - ANSWER The sales restriction in Section
608 limits sale of all ozone-depleting refrigerants and their substitutes to technicians with
certification or their employers. R-22 is an HCFC refrigerant, so it falls in this category.
A technician with Section 608 certification,
A business that employs a technician with Section 608 certification
If you recover R-12 refrigerant, can you use the recovered refrigerant in another device owned
by a different person? - ANSWER Using the refrigerant owned by a different person is
considered changing ownership.
So, to change ownership, the refrigerant has to be reclaimed according to AHRI Standard 700
specifications.
Yes, but only if it has been reclaimed to AHRI Standard 700 specifications
In the United States, when were all CFCs phased out by? - ANSWER 1995
In the United States, when were R-22 and R-142b phased out? - ANSWER 2020
In the United States, when will all HCFCs be phased out? - ANSWER 2030
Records of which of the following must be kept for R-22? - ANSWER Type of refrigerant,
Dates,