Columbia's cinder use raises the toxicity question

Debate on the merits of putting ash on snow-covered streets continues
Wednesday, March 24, 2010 | 9:11 p.m. CDT; updated 11:39 p.m. CDT, Wednesday, March 24, 2010

COLUMBIA — Cinders are dirty. Cinders are cheap. Cinders increase traction on snow- and ice-covered roads. What remains unclear is whether they do significant harm to the environment.

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