Energy & environment · 04/08/1994Updated: 10/16/2026 · 1 min read
Environmental Protection Agency Approves Redesignation of Tacoma, Washington for Sulfur Dioxide
Summary
The Environmental Protection Agency (EPA) has approved the redesignation of Tacoma, Washington, from unclassifiable to attainment for sulfur dioxide (SO2), meeting the requirements of the Clean Air Act as amended in 1990.