Hydrofluoric acid can form a lethal cloud of gas that can travel for miles. At refineries nationwide, a toxic release is only an accident away.

Further reading:
Summer's website
https://tcipcommunities.wixsite.com/home

Activists and Oil Refiners Square Off Over Hydrofluoric Acid | Undark
https://undark.org/2018/10/10/hydrofl...

Air board kills regulation of dangerous refinery acid in favor of oil industry plan | Los Angeles Times
https://www.latimes.com/environment/s...

The ExxonMobil neardisaster you probably haven’t heard of | Center for Public Integrity
https://publicintegrity.org/environme...

Safeguards for Hydrofluoric Acid Tested, 1988 | Los Angeles Times
https://www.latimes.com/archives/lax...

Safety Fears in Torrance Strain Ties With Mobil, 1989 | Los Angeles Times
https://www.latimes.com/archives/lax...