2-Year U.S. Treasury Note Continuous Contract $102.688-0.008-0.01% 5-Year U.S. Treasury Note Continuous Contract $106.750-0.031-0.03% 10-Year U.S. Treasury Note Continuous Contract $109.750-0.094 ...

For almost 100 years, the Asarco Company operated a copper smelter in Tacoma. Air pollution from the smelter settled on the surface soil of more than 1,000 square miles of the Puget Sound basin.