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R-404A has a global warming potential (GWP) of 3,922; CO 2 has a GWP of 1. CO 2, also known as R-744, is con-sidered a natural refrigerant that is non-fl ammable and presents no threat to the ozone layer. In fact, it is the re-frigerant by which the GWP of other refrigerants are measured. So, in terms of GWP, one pound of R-404A emis-
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OIL IN REFRIGERATION SYSTEMS - RSES.org
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