Notre Dame’s Melted Roof Leaves Astronomical Lead Levels

Notre Dame cathedral as it burns in Paris. Notre Dame Cathedral's melted roof has left astronomically high lead levels in the plaza outside and adjacent roads. Paris police say lead levels from the roof were found to be between 10 and 20 grams per kilogram of ground — between 32 and 65 times the recommended limit by French health authorities of 0.3 grams per kilogram. On April 15, 2019. AP Photo/Thibault Camus

PARIS—Notre Dame Cathedral’s melted roof has left astronomically high lead levels in the plaza outside and adjacent roads.

Paris police say lead levels from the roof were found to be between 10 and 20 grams per kilogram of ground — between 32 and 65 times the recommended limit by French health authorities of 0.3 grams per kilogram. The areas closest to the cathedral are currently closed.