2022??3??1??????????????????棬????????й???1,1,1,2-??????饗1,1,1,2-tetrafluoroethane?????????η????????臨?????????顣???????????????ó??????ITC?????й??永??????????η????????臨?????????飬???????????з??????????????????????????永???????????????????????????????????????????????????????????????淢???????10???????????????????????????????????2022??3??31?????????????ó????????????????????????2022??5??13???e???????????????????????ó?????????????????

2016??3??24????American HFC Coalition??????????International Association of Machinists and Aerospace Workers??2016??3??3??????????????????????????????й???1,1,1,2-???????????????????????顣2017??2??22???????????????????永????????????????????á?

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https://www.federalregister.gov/documents/2022/03/01/2022-04196/1112-tetrafluoroethane-r-134a-from-china-institution-of-a-five-year-review

https://www.federalregister.gov/documents/2022/03/01/2022-04283/initiation-of-five-year-sunset-reviews