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 an impermeable clay cap. Waste transporters and waste facilities may charge fees; consequently, improper methods of disposal may be used to avoid paying these fees. Where the handling of toxic waste is regulated, the improper disposal of toxic waste may be punishable by fines or prison terms. Burial sites for toxic waste and other contaminated brownfield land may eventually be used as greenspace or redeveloped for commercial or industrial use. RCRA governs the generation, transportation, treatment, storage, and disposal of hazardous waste. The Toxic Substances Control Act, also enacted in 1976, authorizes EPA to collect information on all new and