NPR Interviews Martyn T. Smith about the toxic effects of the Harbin, China spill

The chemical plant explosion in the Chinese city of Harbin has dumped a 50-mile long slick of benzene into the city's river.
 
Martyn T. Smith, UC Berkeley professor of environmental health sciences, discusses the benzene health effects of Harbin's toxic spill on NPR's "The World." The show aired November 25, 2005.