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Editorial - Remember lakes when repairing your driveway

Published 06/08/2012, Alexandria Echo Press

Seal coating makes old asphalt look new and protects its surface, but there are serious environmental concerns with its use. Seal coat comes in two basic varieties: coal tar-based and asphalt-based. The coal tar variety is more resilient, but it contains much higher levels of a class of chemicals called PAHs (polycyclic aromatic hydrocarbons) that harm fish, and with prolonged exposure, pose a risk of cancer in humans.

Word count: 392

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