Understatement for sure. Her car is on fire and she says it's only a little trouble. :)
These are the choices:
Vent the entire tank.
Check the tank pressure then reuse.
Recycle the HFC-134a before reuse using certified equipment.
Charge it directly into another A/C system.
The answer most likely is: Check the tank pressure then reuse.
I think it is (A.)Task Forces for this question.