R-22, the predominant supermarket refrigerant that is targeted for elimination by the government by 2020, still accounts for 39.7% of the refrigerants (by weight) used by eight food retailers across 2,445 stores, according to a new SN survey. The survey, conducted this fall, queried retailers on a range of refrigeration practices, including use of R-22 and other refrigerants, type of refrigeration system used, leak rate, plans to transition away from R-22 and HFC refrigerants, and use of ...
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