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From the Federal Register

The U.S. EPA has published a new document that describes the acceptability of Bluon TdX 20 (R-458A) within their SNAP program. While the import and sale of TdX 20 have been EPA-authorized since 2016, details of that determination are included here in the Federal Register.

“This determination of acceptability expands the list of acceptable substitutes pursuant to the U.S. Environmental Protection Agency’s (EPA) Significant New Alternatives Policy (SNAP) program. This action lists as acceptable additional substitutes for use in the refrigeration and air conditioning sector and the cleaning solvents sector.”

“Comparison to other substitutes in these end-uses: R-458A has an ODP of zero, comparable to or lower than the other listed substitutes in these end-uses, with ODPs ranging from zero to 0.057. For industrial process refrigeration, R-458A’s GWP of about 1,650 is lower than or comparable to that of acceptable substitutes, such as R-404A, R-407C, and HFC-23, with GWPs ranging from 1,770 to 14,800.”

Link to the full document below:

Protection of Stratospheric Ozone: Determination 33 for Significant New Alternatives Policy Program