http://www.supermarketguru.com/page.cfm/27354 Published on: February 21, 2006 Millions of Americans may be buying beef or seafood that has been treated with carbon monoxide as a "pigment fixative" – in other words, carbon monoxide has been used to keep the product's pink or rosy color in an effort to keep it looking fresh. The problem is that sometimes the color may be … [Read more...] about Ban Sought on Use of Carbon Monoxide to Fix Meat Color