2006 Ivory Coast toxic waste dump breaking Côte d'Ivoire's laws against poisoning. There were several reported attacks of the two executives during their imprisonment. Trafigura called for their immediate release, but this did not occur until a settlement for the cleanup was paid to the Ivorian government. 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
Vartiokylä dumping ground waste to the dumping ground, provided that it first neutralized the sulphuric acid waste with calcium oxide. The city urged its public works department to guard the dumping ground more effectively — earlier it was not guarded at all, as was usual at the time — and to immediately take measures so that the hazards posed by the toxic waste already at the site could be minimised. In the summer of 1962 the Vartiokylä dumping ground was closed, but not because of its environmental impact. The official story was that the place was full and could not accommodate further waste