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Washington State Implementation Plan (SIP) Revision: Tacoma-Pierce County Nonattainment Area

Publication number Date Published
12-02-016November 2012
VIEW NOW Washington State Implementation Plan (SIP) Revision: Tacoma-Pierce County Nonattainment Area (Number of pages: 196) (Publication Size: 4812KB)

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Author(s) Perez, Richelle
Description In 2009, EPA designated part of Pierce County as a nonattainment area. This designation is due to unhealthy levels of fine particle pollution from 2006-2008. The Tacoma-Pierce County Nonattainment Area (also known as the Wapato Hills-Puyallup River Valley Nonattainment Area) covers most of the greater Tacoma area and the surrounding communities within Pierce County’s urban growth area (UGA) west of State Route 167. This State Implementation Plan (SIP) revision details Washington’s plan to improve air quality in the nonattainment area. The revision includes:

• A description of how the area will meet federal planning requirements for a nonattainment area.
• Local rules to help improve air quality.
• Information about activities and projects carried out as part of the planning process for the SIP revision.
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Keywords State Implementation Plan, PM2.5, pollution, nonattainment, air quality
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