 Seven Ivorians were eventually brought to trial in Abidjan for their part in the dumping.The head of the Ivorian contractor who dumped more than 500 tonnes of toxic liquid was sentenced to 20 years in prison in November 2008.A November 2006 Ivorian government report into the incident said that Trafigura was to blame for the dumping of waste, and was aided by Ivorians.