Something in the Air?

By D.S.

Source: EPA, 1999 National-Scale Air Toxics Assessment, results released in February 2006

In February, the EPA released the results of its second nationwide survey of airborne toxins. Among the tons of data collected, one result stood out: Benzene was found to be the single national cancer risk drive —meaning that exposure to elevated levels of benzene is correlated with an increased cancer risk for more than 8 percent of the population of the United States. Not surprisingly, tailpipes emit nearly half of the benzene in the air. More results can be found at

Issue 25

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