Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Notre Dame Fire Wakes the World up to Dangers of Lead Dust Associated Press PARIS - It took a blaze that nearly destroyed Paris' most famous cathedral to reveal a gap in global safety regulations for lead, a toxic building material found across many historic cities. After the Notre Dame fire in April spewed dozens of tons of toxic lead-dust into the atmosphere in just a few hours, Paris authorities discovered a problem with the city's public safety regulations: There was no threshold for them to gauge how dangerous the potentially-deadly pollution was from the dust that settled on the ground. References Visible links Hidden links: 1. file://localhost/europe/toxic-lead-removed-paris-schools-after-notre-dame-fire .