1. Groundwater Contamination;Chester,2000
2. Long-Term Environmental Effects of Offshore Oil and Gas Development;Neff,1987
3. United Nations Environment Programme (UNEP) Chemicals;Pairoj-Boriboon,2001
4. Removal of mercury and arsenic from produced water, Chevron Corporation;Gallup,2007
5. UOP LLC, Keith Clark;Corvini,2007