1. A hydrochlorofluorocarbon having 3 to 5 carbon atoms, 1 to 2 chlorine atoms, and OH rate constants between about 8 and about 25 cm3 /molecule/sec×10-14 wherein said hydrochlorofluorocarbon is selected from
Notes: * A substance that satisfies either or both of the following conditions is treated as impurity and not "Intentionally added": a) One contained in a natural material, which cannot be completely removed in a refining process by adequate technical means (i.e. natural impurities); and b)...