Researchers found high levels near old cables, helping explain a long-standing mystery around why some areas are harder hit than others by the toxic substance
July 25, 2024
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Moss isn’t a likely source of lead exposure for humans. But researchers took samples from it in Portland neighborhoods to see how environmental lead levels vary across the region.
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COURTESY/OREGON STATE UNIVERSITY
Lead from old telecom cables is leaching into Portland neighborhoods, a new study has found.