First Link Between Potentially Toxic PFCs in Office Air and in Office Workers' Blood <a href="http://apocadocs.com/s.pl?1327070844">http://apocadocs.com/s.pl?1327070844</a> In a first-of-its-kind study, scientists are reporting that the indoor air in offices is an important source of worker exposure to potentially toxic substances released by carpeting, furniture, paint and other items.