2006 Ivory Coast toxic waste dump to settle the class action suit against it. Law firm Leigh Day, which represented the Ivorian claimants, was found guilty of negligence after £6 million of the settlement funds were embezzled. In 2002, Mexican state-owned oil company Pemex began to accumulate significant quantities of coker gasoline, containing large amounts of sulfur and silica, at its Cadereyta refinery. By 2006 Pemex had run out of storage capacity and agreed to sell the coker gasoline to Trafigura. In early 2006, Pemex trucked the coker gasoline to Brownsville, Texas, where Trafigura loaded it aboard the Panamanian registered tanker "Probo Koala", which was owned
2006 Ivory Coast toxic waste dump was registered only days before the arrival of the "Probo Koala", was contracted for €18,500 to dispose of the waste. The company contends that no waste was transported from Europe, and the incident was an accident caused by the mishandling by an Ivorian company of waste water used to wash the ship's storage tanks. A Dutch newspaper reported on this possibility, saying the waste could have been generated as a result of attempted on-board desulfurization (removing mercaptans) of naphtha in a Merox-like process. In this way high mercaptan-laden gasoline is upgraded to meet certain country-specific specifications. This would explain the