"Restoring the Lake Depths Foundation, a South Lake Tahoe-based nonprofit using a deep-water robot to pull refuse from beneath the surface including about 1 ton of alcohol bottles containing lead and cadmium."

https://www.sfgate.com/renotahoe/article/lake-tahoe-robot-hazardous-waste-cleanup-18406175.php

That made me curious. So I checked the Font Of All That Is True, and sure enough:

"Glass Alcohol Bottles Contain Harmful Levels of Lead, Cadmium"

https://www.usnews.com/news/national-news/articles/2019-06-28/study-glass-alcohol-bottles-contain-harmful-levels-of-lead-cadmium

Be sure to remind someone of that the next time they rant about, "Why did the Romans have leaded wine cups, didn't they know better?".