Air samples from 41 homes with drywall made in China are analyzed . ` ` Strong ' '' link between high hydrogen sulfide levels , corrosion in the homes . Nearly 2,100 reports detail smell , sickness , failed appliances , corrosion in homes . The investigators also examined materials such as copper pipes and wiring for corrosion , and looked at indoor air humidity , temperature and air exchange , he said . Material in question was imported during the housing boom , from 2005 through 2007 .
Air samples from 41 homes with drywall made in China are analyzed . ` ` Strong ' '' link between high hydrogen sulfide levels , corrosion in the homes . Nearly 2,100 reports detail smell , sickness , failed appliances , corrosion in homes . Material in question was imported during the housing boom , from 2005 through 2007 .