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Same guy invented CFCs. What a **!

https://www.bbc.co.uk/sounds/play/p0m89fqk?partner=uk.co.bbc...

Cautionary Tales: The Inventor who almost ended the world. BBC Sounds Podcasts

Edit: add title Edit: typo

Regardless of the refrigerant used today the law generally requires you to use a pump and to recover the charge from installed equipment and store it into a cylinder for recycling or reuse.

Prior to the clean air act the advice was to just open the system and vent the old charge into the atmosphere.

Industry was always going to require us to learn _a lot_ of lessons.

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