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SNAP Determination 35 Published By EPA
December 9, 2019

The U.S. Environmental Protection Agency (EPA) has announced publication of a Federal Register notice that determined acceptability for refrigerant substitutes pursuant to its Significant New Alternatives Policy (SNAP) program in a Determination of Acceptability (Notice 35). The action lists the following acceptable additional substitutes for use in the refrigeration and air conditioning sector:

• R-1224yd(Z) in centrifugal and positive displacement chillers and industrial process refrigeration (new and retrofit);
• R-407H in multiple refrigeration and air conditioning end-uses;
• R-448A in ice skating rinks (new equipment);
• R-449A in ice skating rinks (new equipment);
• R-449B in ice skating rinks (new equipment); and
• R-453A in refrigerated transport (new and retrofit).

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