One of my elderly colleagues once told me that at the end of each day, they'd put all the lab coats in a big vat of benzene to clean them. The next day, they to

One of my elderly colleagues once told me that at the end of each day, they'd put all the lab coats in a big vat of benzene to clean them. The next day, they took them out, let them dry for a short while and then just put them on again. I think it was in the early 80s? He did develop cancer later.