All devices used to recover/recycle refrigerant must:

A. Be portable
B. Contain a heavy-duty pump
C. Meet EPA standards
D. All of the above



Answer :

Final answer:

Refrigerant recovery devices must meet EPA standards to prevent environmental harm.


Explanation:

All devices used to recover/recycle refrigerant must meet EPA standards. Refrigerant recovery/recycling devices must ensure environmental safety by meeting the regulations set by the Environmental Protection Agency (EPA). These standards aim to prevent the release of harmful ozone-depleting substances into the atmosphere.


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