Monday, November 2, 2009

New concerns raised over blacktop sealant runoff

New concerns raised over blacktop sealant runoff
http://minnesota.publicradio.org/display/web/2009/10/29/sealant-runoff/

"A long-standing ritual of homeowners - sealing their blacktop driveways - is getting new scrutiny from the state of Minnesota because sealant from driveways and parking lots may be washing off into ponds and streams as hazardous waste."

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