EPA Settlement Agreement

On June 2, 2006, Teck signed a with the . The agreementdelivers on Teck’s long-standing commitment to address issues related to LakeRoosevelt.

• Significantly, the agreement replaces the EPA’s Unilateral Administrative Order (UAO) under CERCLA with a collaborative and cooperative contractual agreement.
• Teck submitted a workplan to the EPA at the end of 2006.
• Under the agreement, Teck will voluntarily fund and conduct a Remedial Investigation and Feasibility Study (RI/FS), the purpose of which is to:
  • Evaluate the nature and the extent of contamination;
  • Determine if unacceptable risk to human health or the environment exists as a result of any contamination;
  • Determine whether action is required to mitigate any unacceptable risk;
  • In the event that action is required, determine what action is most appropriate.
• Teck will also provide over $1-million per year to the Colville and Spokane Tribes, Washington State and the Department of the Interior to provide for their participation and review on an ongoing basis.