Benzene, a true-blue leukemia-maker that can cause workers to bleed out, has been the subject of 100 years of deceit and denial. When Myron Mehlman, a toxicologist with Mobil Oil, told Japanese officials in 1989 that gasoline with 5-per-cent benzene was damned dangerous and shouldn't be sold, the company fired him. Davis reports that ExxonMobil, ConocoPhillips and Shell have invested $27-million in China to "contradict earlier claims that link exposure to low- and mid-levels of benzene to cancers and other diseases." The Secret History of the War on Cancer