Skip to main content
USITC.gov will be periodically unavailable between 5:30 p.m. and 8:30 p.m. ET on Wednesday March 18th, 2026, to conduct system maintenance. Please plan your activities accordingly.

Certain R-134A Coolant (Otherwise Known As 1,1,1,2- Tetrafluoroethane)

Investigation No.
337-TA-623
Institution of investigation pursuant to 19 U.S.C. 1337
Section 337 Notices
Notice/Action Title
Institution of investigation pursuant to 19 U.S.C. 1337