<p>Job-related cancer has claimed the lives of two San Francisco Fire Department firefighters in the past eight days. Burning household toxins are to blame, say several department and union officials.</p><div><a href="http://www.cpf.org/go/cpf/?LinkServID=0EF691EC-1CC4-C201-3E478371EFF7D7EC&amp;showMeta=0" target="_blank">Original link</a></div>