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 . `` The work toward an exact nexus between drywall and effects is still ongoing . '' 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 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 .