Ever since refrigerant R-12 was banned over some “ozone hole” observation in Earth's upper atmosphere (that some charlatan scientist won a Nobel prize for), I've known the environmental movement to be a fraud.
Ask any shipyard worker about R-12 being released inside a ships hull. They all learned that R-12 (at standard atmospheric pressure and temperature, SAPT)) weighs more than surrounding air and would push ALL air out of a ship's hull - leaving no air for workers to breath. The underlying physical fact behind that is that R-12 (at SAPT) weighs almost six times more than air — it falls like a rock when released.
You are 100% correct as I used to work woth this stuff in a factory that made fridges. We had breathing apparatus on standby beacuse of the nature of the gas to evacuate an area of air. Only had one breath to get the breathing gear on or good night!
Mel
But we all know that the rule for environmentalists is "don't let the facts get in the way of your opinion"
Did you happen to know that right at the time that the BOGUS, GARBAGE, R12 ban was enacted, well politically connected Dupont's patent rights on it were about to run out? Yes, a shocking coincidence!