Using R-22 in low-temperature applications does not necessarily yield rave reviews. It has been tried from time to time over the years. When CFCs like R-502 faced phaseouts in the mid-1980s, HCFC-22 ...
During summer break in the mid-1980s two college professors decided to canoe out onto the Delaware River to investigate a theory. They suspected a nearby power plant was exceeding limits set by the ...
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