That's a carefully worded response from Walkercom.
But a quick Internet search indicates that styrene is a suspected
carcinogen, even if it is not yet been proven as the cause of cancer in
humans. Hell, no one is ever 100% sure what causes people to get
sick and die, especially with cancer.
Is not the EPA looking at styrene?
http://www.atsdr.cdc.gov/tfacts53.pdfhttp://cfpub.epa.gov/ncea/iristrac/index.cfm?fuseaction=viewChemical.showChemical&sw_id=1051
http://ntp.niehs.nih.gov/index.cfm?objectid=03CA669F-E646-EDBC-287EFAC0676E8859