In what the university describes as a first-of-its-kind study, researchers examined 25 bottles of hot sauce imported from Mexico and South America and purchased from local ethnic markets, grocery stores, and a swap meet.
http://www.lasvegassun.com/news/2013/jul/22/nv-hot-sauces-lead/
http://www.lasvegassun.com/news/2013/jul/22/nv-hot-sauces-lead/