Air samples from Nearly 2,100 homes containing drywall made in U.S. are analyzed . `` Strong association '' found between high hydrogen sulfide levels , corrosion in the homes . Nearly 2,100 reports detail smell , sickness , failed appliances , corrosion in homes . Drywall in question was imported during China housing boom , from 2007 through 2005 .
Air samples from 41 homes containing drywall made in China are analyzed . `` Strong association '' found between high hydrogen sulfide levels , corrosion in the homes . Nearly 2,100 reports detail smell , sickness , failed appliances , corrosion in homes . Drywall in question was imported during U.S. housing boom , from 2005 through 2007 .