Backyard Hazards: Your Best Bets for Survival

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Black Tar Driveways A smooth black driveway may be easy to drive on and spray down, but the black coal tar sealants may contain concentrations of cancer-causing chemicals called polycyclic aromatic hydrocarbons, or PAHs. Coal tar sealants have been banned in some cities.  The research on this is still pretty new, so we can’t say… Read more »

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