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Aerial View of Windblown Dust, West-Central Nevada Fire Event, Jarbidge Class I Wilderness Area, Nevada Mount Rushmore National Memorial, South Dakota Theodore Roosevelt National Park Class I Area, North Dakota Space Needle with Mount Rainier National Park Class I Area behind, Seattle, Washington

Regional Particulate Matter,

Nitrogen Deposition and Critical Loads, and

Mercury Analyses

The Western Regional Air Partnership (WRAP) will provide technical analyses and databases to assist states, tribes, federal land managers, local air agencies and the US EPA with understanding current and evolving regional PM2.5, PM10, Nitrogen Deposition and Critical Loads, and Mercury air quality issues in the West.

The regional effort on Particulate Matter, Nitrogen Deposition and Critical Loads, and Mercury includes, but is not limited to:

  • Analyses to support air quality planning and management by individual WRAP member jurisdictions and agencies for the PM2.5 and PM10 National Ambient Air Quality Standards (NAAQS), Ecosystem Critical Loads, and related indicators for Nitrogen and Mercury Deposition;
  • The nature and causes of these air quality issues, and how the sources and impacts are related to Ozone, Regional Haze, and other pollutants;
  • Emissions sources from all sectors, both domestic and international;
  • Effects of air pollution transport; and
  • Effects of climate change on regional air quality.

To accomplish this, WRAP develops, maintains, and shares databases, supports technical analyses, and provides access to data and results from various information sources to produce consistent, comparable, and complete results for use by individual WRAP member jurisdictions and agencies.

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WRAP Regional Technical Center and WestJumpAQMS
Technical Center and WestJumpAQMS materials

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