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PM Designations Mapping Tool

Doug Solomon, U.S. EPA OAQPS 2014 National Air Quality Conference Durham, NC February 12, 2014 . PM Designations Mapping Tool. Presentation Overview. PM 2.5 Designations Background Mapping Software Purpose and Specs Mapping Software Demonstration. Initial Area Designations Process.

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PM Designations Mapping Tool

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  1. Doug Solomon, U.S. EPA OAQPS 2014 National Air Quality Conference Durham, NC February 12, 2014 PM Designations Mapping Tool

  2. Presentation Overview • PM2.5 Designations Background • Mapping Software Purpose and Specs • Mapping Software Demonstration

  3. Initial Area Designations Process • After promulgation of a new or revised NAAQS, the CAA requires EPA to designate all areas of the country as to whether the areas are meeting or not meeting that NAAQS (this effort is known as the initial area designations process) • Designation Categories • Nonattainment Area – An area that that does not meet or that contributes to a nearby area that does not meet the NAAQS • Attainment Area – An area that is meeting the NAAQS and is not contributing to a nearby area that does not meet the NAAQS • Unclassifiable Area – An area that cannot be designated based on available information as meeting or not meeting the NAAQS • Designations focus is on defining Nonattainment Area boundaries

  4. Initial Area Designations Process • EPA develops nonattainment boundary recommendations on an evaluation of five factors (and recommends that states and tribes use the same analyses when developing their recommendations): • Air quality data(e.g., monitoring data, does the area/county have a violating monitoring site?) • Emissions and emissions-related data (e.g., source emissions data, traffic and commuting patterns, population and degree of urbanization) • Meteorology(i.e., weather/transport patterns) • Geography/topography (i.e., physical features of the land that might affect the distribution of the pollutant or precursors over the area) • Jurisdictional boundaries (e.g., counties, air districts, existing nonattainment areas, townships, Indian country, metropolitan planning organizations)

  5. 2012 PM2.5 NAAQS Implementation Timeline

  6. PM Designations Mapping Tool • Developed and introduced in the spring of 2013 to assist air agencies in developing their area designation and nonattainment boundary recommendations for the 2012 PM2.5 NAAQS • Data that can be visualized with the PM Designations Mapping Tool: • Factor 1: Air quality data • Design values • PM2.5 compositional data (CSN and IMPROVE) • Urban increment • Factor 2: Emissions and Emissions‐related data • PM2.5 and precursor emissions (point, county and gridded) • VMT • Population • Factor 3: Meteorology • Windroses • HYSPLIT results • Factor 4: Geography/topography • Factor 5: Jurisdictional boundaries • Current PM2.5 nonattainment and maintenance areas • State, county, and tribal boundaries • Class I areas

  7. PM Designations Mapping Tool • Maps created with ESRI ArcGIS for Desktop • Maps shared as service on ESRI ArcGIS Server • Application developed with ESRI ArcGIS Viewer for Flex – Application Builder • Applications and services hosted on EPA Geoplatform • http://geoplatform2.epa.gov/PM_MAP/

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