Taken at face value, the results of the fourth edition of the U.S. Environmental Protection Agency’s (EPA) National-Scale Air Toxics Assessment (NATA), released 11 March 2011 are sobering. Every person in the country is at 10 times or greater risk for getting cancer from outdoor air pollutants than the agency’s general goal of 1 in 1 million the average risk is 50 times greater than the goal, and about 5% of the population is at more than 100 times the risk.