Pragma Synesi – interesting bits

Compendium of interesting bits I come across, with an occasional IMHO

Driveway sealant toxic

Not only does the black coal tar sealant used for driveways produce carcinogenic dust, but there is no proof that it increases the longevity of the asphalt underneath.  Vacuuming habits seem to make no difference in the concentration of toxic dust inside the house.  Already banned in some US cities.

From nature.com news, 11 January 2010:

Driveways could spread toxins into the home

Carcinogens in coal tar–sealed pavements cause worry.

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January 12, 2010 Posted by | environment, health | , , , | 1 Comment