(Corrects name of author on March 17 and 6:38 p.m. ET)
This story by Kathleen E. McLaughlin is part of an ongoing GlobalPost investigation into the supply chains that make some of your favorite electronic gadgets. In this installment, GlobalPost examined the fallout after a factory that supplies Apple and Nokia used the toxic solvent n-hexane in violation of local codes and without proper safety equipment. Though seven current and former workers said the chemical was used on Apple touch screens, Apple refused to comment.