Sulfur dioxide, of course, is especially dangerous for children, senior citizens, and those with asthma and heart problems: <a href="http://www.epa.gov/air/urbanair/so2/hlth1.html">http://www.epa.gov/air/urbanair/so2/hlth1.html</a> , EPA is under a court agreement to propose new standards by Nov. 11 of this year and to set final standards by June 2, 2010.