At a Glance

Lead levels near the cathedral are between 32 and 65 times the recommended limit by French health authorities.The areas closest to the cathedral are closed.

The melted roof of Paris' Notre Dame Cathedral has left astronomically high lead levels in the plaza outside the famed landmark and on adjacent roads.

Paris police say lead levels from the roof are 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 closed.

The statement Thursday said the main danger is lead dust that could coat surfaces of nearby homes and businesses. To avoid lead poisoning, authorities have recommended a good cleaning with a damp cloth, and that pregnant women and children wash hands frequently.

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Hundreds of tons of lead were used in Notre Dame’s frame, as well as the church spire that burned and collapsed.