Although less ozone depleting than r12, it's still illegal to discharge r134 into the atmosphere.
R134 _ Well Mine did
R134
r134
Yes.
R134-a
R134-a
If you mix r12 with r134 air conditioning system, it will cause a high pressure in your airconditioning system and eventually damage the compressor and the evaporator. R12 is only for r12 aircon and something with r134, it can't be mix.
You could, but first you have to do the upgrade for the 134. Or, you should be able to still buy a small can of r-12. It is still available.
A substance discharged into the air
It would be R134a.
Example sentence - The trap shooter discharged the firearm and missed the target.
Ozone