EPA official pushes back on criticism of asbestos proposal

Asbestos is banned in dozens of countries and for decades its use has been heavily restricted in the U.S. because of health concerns. In addition, millions of dollars have been spent on asbestos removal in Chicago and other places because of how long it was used in construction previous to these bans. The Environmental Protection Agency recently enacted a new rule that may allow a number of new products to contain asbestos. Anna Werner reports…
SciTech – CBSNews.com