Claude Dauphin (businessman) revenues of $13.4 billion. By that time, Trafigura had brought in Sonangol as a 30% shareholder in Puma, and had also reduced its own stake to 49%. Dauphin never took Trafigura public, believing private company status was the best model for a trading firm. Trafigura’s revenue rose tenfold in the period from 2005 to 2014 to reach $127 billion. In his leadership position with the company, Dauphin was an important figure in Trafigura's response to the 2006 Ivory Coast toxic waste dump environmental disaster. After local contracting company Tommy dumped 500 tonnes of waste at landfill sites around the port
Toxic waste siting of toxic waste landfills and waivers to regulations that were included in EPA's "Federal Register." For example, in 1978, the base of a major toxic waste landfill could be no closer than five feet from ground water, but this regulation and others could be waived. The waiver to the regulation concerning the distance between the base of a toxic waste landfill and groundwater allowed the base to be only a foot above ground water if the owner/operator of the facility could demonstrate to the EPA regional administrator that a leachate collection system could be installed and that there would