Lead does not break down over time and so accumulates in soil, but not much federal testing or scientific research has focused on the potential risks coming from lead-sheathed telephone cables.

Shiel had identified 11 Portland neighborhoods with lead-sheathed cables when she published her research this summer in the peer-reviewed scientific journal Nature Communications Earth & Environment.

(KRON) — In an effort to “Keep Tahoe Blue,” crews removed eight miles of lead-sheathed telecommunication cables from below Lake Tahoe’s waters. The League to Save Lake Tahoe said the ...