Avoid hazards of coal tar asphalt sealcoats

September 20th, 2013 by

Most of us are familiar with the odor and deep black appearance of freshly sealcoated asphalt. Sealcoats are used to improve the appearance and prolong the life of driveways and parking lots.Some sealcoat products contain coal tar, a byproduct of coke manufacturing, which is a health and environmental hazard. A new series of fact sheets produced by the UW-Extension Solid and Hazardous Waste Education Center discusses the toxicity, health and environmental hazards of coal tar and suggests ways to reduce risk.

Topics covered by the fact sheets include:

Following the lead of Dane County and the State of Washington, Minnesota recently enacted a ban on the sale and use of coal tar-based asphalt sealcoats that will take effect in January 2014, bringing the entire state in line with bans already in place in 28 Minnesota counties.

To learn more about UW-Extension’s work to enhance Wisconsin’s environment and economy, visit the Solid and Hazardous Waste Education Center on the web at http://www4.uwm.edu/shwec/index.cfm

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