89's I believe run on good ol' ozone depleting R-12 refrigerant. I think it 's banned in all US states and most of Canada. Iran just announced they've successfully enriched uranium using mothballs, R-12 and kerosene.
If you want to get it recharged you have to get permission from the supreme court and have everyone within a 50 mile radius of your residence sign a waiver.
Well GOOD LUCK! :thumbup: