There's a particular chemical gas that the medical device industry uses to sterilize its instruments and, unfortunately, that gas happens to be extremely toxic. On this episode of Parts Per Billion, reporters Amena H. Saiyid and Ayanna Alexander explain how the FDA and the EPA are at a loss for how to deal with this gas and they lay out the stakes of new environmental regulations for the healthcare industry. Host: David Schultz. Editors: Jessica Coomes and Anna Yukhananov.

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