This is what happens when public institutions are corrupted by private utilities that manipulate the system (and this also may have to do with the fact that even the Democrats and their lobbyists in Missouri are bought and sold by the coal-fired utility industry).
http://www.stltoday.com/business/local/epa-declines-to-adjust-sulfur-dioxide-regulations-in-st-charles/article_7c360365-c7e2-5fc8-b91a-ee71f3f41e65.html