Continued from page 1

Ironically then, the 60 ppb ozone chamber experiment more probably indicates that 5.5 hours of exercise in outdoor air with 100 ppb ozone - 33 percent higher than the existing Bush standard and 40 percent to 60 percent higher than the coming Obama standard - causes no clinically significant or even measurable respiratory effects.

At some point, Congress ought to look at fixing the Clean Air Act so that actual costs can be weighed with projected benefits. In the meantime, ample reason exists to challenge the bogus health claims behind the Obama standards.

Steve Milloy is the publisher of JunkScience.com and the author of “Green Hell: How Environmentalists Plan to Control Your Life and What You Can Do to Stop Them” (Regnery, 2009).