Measure would ban toxic pavement sealant

Measure would ban toxic pavement sealant
http://invw.org/print/content/measure-would-ban-toxic-pavement-sealant

"Washington is poised to become the first state to ban a toxic asphalt sealant made from industrial waste because its ingredients are turning up in ordinary house dust as well as in streams, lakes and other waterways at levels that concern government researchers."