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NH Angle is a news and information aggregation by staff and audience of the New Hampshire Union Leader, The Goffstown News, The Bedford Bulletin, The Hooksett Banner and The Salem Observer. Share a news link here or comment on this item below.

Coal tar industry fights bans on sealants

The USGS scientists also found that parking lots with 3- to 8-year-old sealant released 60 times more PAHs into the air than parking lots without sealant. Other researchers from the EPA and the University of New Hampshire have found significantly higher PAH levels in runoff from parking lots sealed with coal tar than in runoff from asphalt-sealed lots.

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