Lots of people would mix antifreeze with wine. Adding antifreeze to food is legal in the US at up to 50 g per kilogram. It's legal in Europe at up to 3 g per kilogram [1]. Note that there are different kinds of antifreeze alcohols, and not all of them are legal.
That doesn't always stop manufacturers. There was a big scandal in the '80s with a small Austrian wine maker using the bad kind. This was the basis for The Simpsons episode where Bart went to France as an exchange student and ended up being forced to work at a winery that was putting antifreeze in and making Bart drink it to see if they had put too much in.
>This was the basis for The Simpsons episode where Bart went to France as an exchange student and ended up being forced to work at a winery that was putting antifreeze in and making Bart drink it to see if they had put too much in.
And to go full circle with the topic of discussion (Los Alamos), the exchange student visiting Springfield in this episode was really a spy agent visiting to steal nuclear secrets.
The difference here is that propylene glycol (mentioned as the food additive in the BBC article) is comparatively nontoxic. The 3 janitors drank ethylene glycol, which is quite poisonous.
Confusion between the two has been the cause of several mass poisonings involving medicine manufactured with poor quality controls.
That doesn't always stop manufacturers. There was a big scandal in the '80s with a small Austrian wine maker using the bad kind. This was the basis for The Simpsons episode where Bart went to France as an exchange student and ended up being forced to work at a winery that was putting antifreeze in and making Bart drink it to see if they had put too much in.
[1] http://www.bbc.com/news/blogs-magazine-monitor-29847999