Know what perfluorochemicals (PFCs) are? If not, its time to learn about these chemicals, how you are exposed to them, and why it matters (you certainly won't find them on any labels but they are in products you purchase and eat).
Check out the EWG Enviroblog on this subject matter for more information:
http://www.enviroblog.org/2009/03/pfoa-in-butter.html
