Stewart, D.R. 2006. Developing a new water resource from production water. Presentation at the International Petroleum Environmental Conference, San Antonio, TX, October 17-20. Available at ipec.utulsa.edu/Conf2006/Papers/Stewart_18.pdf (accessed January 27, 2010).

Stewart, D.R., and L. Takichi. 2007. Beneficial use of produced water—Water as a valuable byproduct. Presentation at the International Petroleum Environmental Conference, Houston, TX, November 5-9. Available at ipec.utulsa.edu/Conf2007/Papers/Stewart_74.pdf (accessed January 27, 2010).

Veil, J.A. 2009. Regulations and Impediments for Treatment and Beneficial Use of CBM Produced Water. Presentation at the International Petroleum Environmental Conference, Houston, TX, November 2-5. Available at ipec.utulsa.edu/Conf2009/Papers%20received/Veil_Regs.pdf (accessed January 27, 2010).

Veil, J.A., M.G. Puder, D. Elcock, and R.J. Redweik, Jr. 2004. A White Paper Describing Produced Water from Production of Crude Oil, Natural Gas, and Coal Bed Methane. Prepared for the National Energy Technology Laboratory, U.S. Department of Energy, under Contract W-31-109-Eng-38. Available at www.ead.anl.gov/pub/doc/ProducedWaters WP0401.pdf (accessed January 27, 2010).

Weinstein, L., and J.A. Adam. 2008. Guesstimation: Solving the World’s Problems on the Back of a Cocktail Napkin. Princeton, NJ: Princeton University Press.

Wyoming DEQ (Department of Environmental Quality). 2009. Summary of Coalbed Natural Gas Produced Water Treatment and Management Facilities, Powder River Basin. Cheyenne, WY. Available at deq.state.wy.us/out/downloads/Produced Water Treatment and Management Facilities, Powder River Basin, April 2009.pdf (accessed March 4, 2010).