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Parking lot sealant ups cancer risk

Toxic dust from coal tar sealcoat invades homes, watersheds.

That earlier study in the Journal of Environmental Science and Technology found that on average, the PAHs were 530 times higher in the parking lots sealed with coal tar.

For his part, Doggett, the congressman representing the Austin area, is glad that EPA is finally taking seriously the threat posed by the coal tar sealant.
“Under the prior administration, I confronted EPA inaction and excuses. I am pleased my repeated efforts have resulted in the EPA now initiating this long-overdue work, and we might finally move toward a nationwide ban on this dangerous substance,” Doggett said in a written statement.

Researcher Van Metre said the public doesn’t have to accept increasing levels of pollution as a price of development.

“Just because we live in urban environments — and most people do live in urban environments — doesn’t mean they have to be polluted,” he said.

InvestigateWest is a non-profit investigative news organization covering the environment, health and social justice. Find out more at www.invw.org and learn how you can make a difference by contributing to independent investigative reporting.

About the author

Robert McClure, Investigate West is a Pulitzer Prize finalist. After an academic year on the prestigious Knight-Wallace journalism fellowship, I realized that I needed to move West if I wanted to cover the really big environmental stories. So I left my native Florida, spending my 40th birthday — my second weekend as a Westerner — camping amid the snow on Washington’s Mount Adams. During my two decades on the environment beat, I prodded officials until they launched major ecosystem restoration projects in Puget Sound and the Florida Everglades. The latter remains the largest ecosystem restoration attempted on the planet so far. At the Seattle Post-Intelligencer, I was the backbone of five major projects, including one that uncovered a glaring loophole in the Endangered Species Act. I am a board member at the Society of Environmental Journalists and have won a number of awards, including the John B. Oakes Award for Distinguished Environmental Journalism. Contact me.

  • envrguru
    Mr. McClure - You did a wonderful job presenting the argument. Lance65 is nothing more than a lobbiest for coal tar, lining her own pockets (Anne LeHuray) to promote this toxic waste. An army is mounting against the coal tar seal coat industry and they are on their way out the door.
  • lance65
    The story that Mr. McClure wrote was filled with so many glaring errors and is so one sided, it leaves me speechless. I really am at a loss as to where to start.

    I am curious to know if Mr.McClure actually researched to see if there was another viewpoint to this story?

    I wonder if Mr. McClure asked USGS how they distinguished PAH from sealer products vs. the thousand of other sources of PAHs (natural or combustion related)? Did Mr. McClure happen to mention that the study with the children was the first of its kind. I don't think so. Did Mr. McClure happen to mention that a typical person ingests PAHs on a daily basis? I wonder if Mr McClure mentioned that combustion related sources are the largest contributor to PAHs in the environment?

    I am curious to know if Mr. McClure was perhaps motivated to write such a sensational story to help get his new venture Investigate West off the ground?

    I would like to assist Mr. McClure if I may. For those who are wondering if there is an opposing viewpoint, go to http://www.truthaboutcoaltar.com/.
  • dcjay
    Coal tar sealant "is used in all 50 states" -- maybe, but is banned here in the District of Columbia since last year. There's a $2,500 per day fine if you use it: http://ddoe.dc.gov/ddoe/cwp/view,A,1209,Q,50053....

    nice story, robert -- jay
  • lance65
    Tar sealants are not used in all 50 states. Another error by Mr. McClure.

    The DC ban was a sham and a joke. DC paid for a study and they found that sealer was not a major source of PAHs, but they banned it anyway. Why did they waste all that money on the study.
  • Thanks for sharing this info, dcjay.

    Do you know if the sealcoat ban in the District was a result of citizen advocacy or an ordinance crafted from within by a council member?
  • dcjay
    I don't know -- probably both. Now the D.C. city council is considering a bill that would ban a host of chemicals, including bpa. These actions can be significant because we don't have a state or state legislature; that role is filled here by the city council.
  • Thanks for the heads up. Sounds like folks concerned about coal tar and polycyclic aromatic hydrocarbons should be keeping an eye on the D.C. City Council for pointers on how to proceed with banning or regulating these carcinogens in their own communities.
  • lance65
    Sealers are not the problem. Combustion sources are. I kind of doubt that DC will be banning cars anytime soon.
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