Got this from Dennis Kobray on the Green All Views listserv.

Into this anti-carbonated climate comes a potentially bigger bombshell that could spell disaster for the industry. Last month, the FDA quietly revealed that some soft drinks were found to contain the human carcinogen benzene in levels up to 10-20 parts per billion (ppb) — four times the acceptable limit found in drinking water. Benzene, a chemical linked to leukemia and other forms of cancer, forms in certain beverages under certain conditions, such as exposure to heat and light.

http://www.alternet.org/story/33380/