<?xml version="1.0" encoding="UTF-8"?><metadata>
<idinfo>
<citation>
<citeinfo>
<origin>U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards (OAQPS)</origin>
<pubDate>2026-03-09T15:52:59</pubDate>
<title>2012 PM-2.5 NAAQS Nonattainment Areas-2014 designations</title>
<pubinfo>
<pubplace>Research Triangle Park, NC</pubplace>
<publish>U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards (OAQPS)</publish>
</pubinfo>
<geoform>vector digital data</geoform>
</citeinfo>
</citation>
<descript>
<abstract>This data layer identifies areas in the U.S. where air pollution levels have not met the National Ambient Air Quality Standards (NAAQS) for the 2012 PM-2.5 National Ambient Air Quality Standards (NAAQS) and were designated "nonattainment" in 2014. The EPA Office of Air Quality Planning and Standards (OAQPS) has set the NAAQS for six principal pollutants, which are called "criteria" pollutants. Under provisions of the Clean Air Act, which is intended to improve the quality of the air we breathe, EPA sets limits on how much of a pollutant can be in the air anywhere in the United States. This ensures that all Americans have the same basic health and environmental protections. The law allows individual states to have stronger pollution controls, but states are not allowed to have weaker pollution controls than those set for the whole country. EPA calls these pollutants "criteria air pollutants" because the agency has regulated them by first developing health-based criteria (science-based guidelines) as the basis for setting permissible levels. One set of limits (primary standard) protects health; another set of limits (secondary standard) is intended to prevent environmental and property damage. A geographic area that meets or does better than the primary standard is called an attainment area; areas that don't meet the primary standard are called nonattainment areas.</abstract>
<purpose>This data set is intended to help provide the public with information to determine whether or not air quality within a given area is healthy. Once designations take effect, they also become an important component of state, tribal and local governments' efforts to control PM-2.5 emissions.</purpose>
</descript>
<timeperd>
<timeinfo>
<sngdate>
<caldate>2012</caldate>
</sngdate>
</timeinfo>
<current>publication date</current>
</timeperd>
<status>
<progress>Complete</progress>
<update>As needed</update>
</status>
<spdom>
<bounding>
<westbc>-118.942974</westbc>
<eastbc>-75.674069</eastbc>
<northbc>44.848088</northbc>
<southbc>27.945991</southbc>
</bounding>
</spdom>
<keywords>
<theme>
<themekt>ISO 19115 Topic Category</themekt>
<themekey>climatologyMeteorologyAtmosphere</themekey>
<themekey>environment</themekey>
<themekey>PM-2.5</themekey>
</theme>
<theme>
<themekt>EPA GIS Keyword Thesaurus</themekt>
<themekey>Air</themekey>
<themekey>Monitoring</themekey>
<themekey>Quality</themekey>
<themekey>Non-Attainment</themekey>
</theme>
<place>
<placekt>none</placekt>
<placekey>United States (US) (USA)</placekey>
<placekey>conterminous United States (CONUS)</placekey>
<placekey>Alaska</placekey>
<placekey>Hawaii</placekey>
<placekey>District of Columbia</placekey>
<placekey>Washington DC</placekey>
<placekey>American Samoa</placekey>
<placekey>Puerto Rico</placekey>
<placekey>Virgin Islands</placekey>
<placekey>Alabama</placekey>
<placekey>Arizona</placekey>
<placekey>Arkansas</placekey>
<placekey>California</placekey>
<placekey>Colorado</placekey>
<placekey>Connecticut</placekey>
<placekey>Delaware</placekey>
<placekey>Florida</placekey>
<placekey>Georgia</placekey>
<placekey>Idaho</placekey>
<placekey>Illinois</placekey>
<placekey>Indiana</placekey>
<placekey>Iowa</placekey>
<placekey>Kansas</placekey>
<placekey>Kentucky</placekey>
<placekey>Louisiana</placekey>
<placekey>Maine</placekey>
<placekey>Maryland</placekey>
<placekey>Massachusetts</placekey>
<placekey>Michigan</placekey>
<placekey>Minnesota</placekey>
<placekey>Mississippi</placekey>
<placekey>Missouri</placekey>
<placekey>Montana</placekey>
<placekey>Nebraska</placekey>
<placekey>Nevada</placekey>
<placekey>New Hampshire</placekey>
<placekey>New Jersey</placekey>
<placekey>New Mexico</placekey>
<placekey>New York</placekey>
<placekey>North Carolina</placekey>
<placekey>North Dakota</placekey>
<placekey>Ohio</placekey>
<placekey>Oklahoma</placekey>
<placekey>Oregon</placekey>
<placekey>Pennsylvania</placekey>
<placekey>Rhode Island</placekey>
<placekey>South Carolina</placekey>
<placekey>South Dakota</placekey>
<placekey>Tennessee</placekey>
<placekey>Texas</placekey>
<placekey>Utah</placekey>
<placekey>Vermont</placekey>
<placekey>Virginia</placekey>
<placekey>Washington</placekey>
<placekey>West Virginia</placekey>
<placekey>Wisconsin</placekey>
<placekey>Wyoming</placekey>
</place>
</keywords>
<accconst>Data have restricted access due to the sensitive nature of the locational information presented and may only be shared with federal, state, local or other trusted EPA partners.</accconst>
<useconst>Data are considered current to the date of the original source material. Please check sources, scale, accuracy, current status and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated.</useconst>
<native>ESRI ArcCatalog 9.3.0.1770</native>
<secinfo>
<secsys>FIPS Pub 199</secsys>
<secclass>Medium Confidentiality</secclass>
<sechandl>Data with medium confidentiality may be shared with federal, state local or other trusted EPA partners.</sechandl>
</secinfo>
<ptcontac>
<cntinfo>
<cntorgp>
<cntorg>EPA, Office of Air Quality Planning and Standards (OAQPS)</cntorg>
<cntper>Beth Palma</cntper>
</cntorgp>
<cntaddr>
<addrtype>mailing and physical</addrtype>
<address>Air Quality Policy Division, Geographic Strategies Group</address>
<address>109 TW Alexander Dr., C539-04</address>
<city>Research Triangle Park</city>
<state>NC</state>
<postal>27711</postal>
</cntaddr>
<cntvoice>919-541-5432</cntvoice>
<cntemail>palma.elizabeth@epa.gov</cntemail>
<cntinst>Please see additional information located at the following URL for requesting this data: http://www3.epa.gov/pmdesignations/2012standards/index.htm</cntinst>
</cntinfo>
</ptcontac>
</idinfo>
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<posacc>
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<horizpar>Positional accuracy for the data set varies for individual features within the data set. Actual horizontal positional accuracy for the entire data set is unknown.</horizpar>
</horizpa>
</posacc>
<lineage>
<procstep>
<procdesc>Reprojected data to GCS_North_American_1983 WKID 4269 using ArcCatalog to meet EDW standard</procdesc>
<procdate>20200110</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>USDA Forest Service Geospatial Technology and Applications Center (GTAC)</cntorg>
<cntper>Justine Jedlicka</cntper>
</cntorgp>
<cntpos>GIS Analyst</cntpos>
</cntinfo>
</proccont>
</procstep>
<procstep>
<procdesc>Renamed feature class to comply with USDA Forest Service Enterprise Data Warehouse (EDW) naming convention</procdesc>
<procdate>20200110</procdate>
<proccont>
<cntinfo>
<cntorgp>
<cntorg>USDA Forest Service Geospatial Technology and Applications Center (GTAC)</cntorg>
<cntper>Justine Jedlicka</cntper>
</cntorgp>
<cntpos>GIS Analyst</cntpos>
</cntinfo>
</proccont>
</procstep>
</lineage>
</dataqual>
<spref>
<horizsys>
<geograph>
<latres>0.000001</latres>
<longres>0.000001</longres>
<geogunit>Decimal degrees</geogunit>
</geograph>
<geodetic>
<horizdn>North American Datum of 1983</horizdn>
<ellips>Geodetic Reference System 1980</ellips>
<semiaxis>6378137.000000</semiaxis>
<denflat>298.257222</denflat>
</geodetic>
</horizsys>
</spref>
<eainfo>
<detailed Name="Env_AIR_NAA_PM25">
<enttyp>
<enttypl>Polygon Attribute Table</enttypl>
<enttypd>2012 PM-2.5 NAAQS Nonattainment Areas</enttypd>
<enttypds>EPA OAQPS</enttypds>
<enttypt Sync="TRUE">Feature Class</enttypt>
<enttypc Sync="TRUE">9</enttypc>
</enttyp>
<attr>
<attrlabl>OBJECTID</attrlabl>
<attrdef>Internal feature number.</attrdef>
<attrdefs>Esri</attrdefs>
<attrdomv>
<udom>Sequential unique whole numbers that are automatically generated.</udom>
</attrdomv>
<attalias Sync="TRUE">OBJECTID</attalias>
<attrtype Sync="TRUE">OID</attrtype>
<attwidth Sync="TRUE">4</attwidth>
<atprecis Sync="TRUE">10</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>AREA_NAME</attrlabl>
<attrdef>Nonattainment Area county name(s)</attrdef>
<attrdefs>EPA</attrdefs>
<attrdomv>
<udom>Text</udom>
</attrdomv>
<attalias Sync="TRUE">AREA_NAME</attalias>
<attrtype Sync="TRUE">String</attrtype>
<attwidth Sync="TRUE">45</attwidth>
<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>Status</attrlabl>
<attrdef>Indicates where the area is a nonattainment area (NAA) or maintenance area (MAI) or both.</attrdef>
<attrdefs>EPA</attrdefs>
<attrdomv>
<udom>Text</udom>
</attrdomv>
<attalias Sync="TRUE">STATUS</attalias>
<attrtype Sync="TRUE">String</attrtype>
<attwidth Sync="TRUE">50</attwidth>
<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>Status_120</attrlabl>
<attrdef>Indicates where the area is a nonattainment area (NAA) or maintenance area (MAI).</attrdef>
<attrdefs>EPA</attrdefs>
<attrdomv>
<udom>Text</udom>
</attrdomv>
<attalias Sync="TRUE">STATUS_120</attalias>
<attrtype Sync="TRUE">String</attrtype>
<attwidth Sync="TRUE">50</attwidth>
<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>Id</attrlabl>
<attrdef>Unique Identifier</attrdef>
<attrdefs>EPA</attrdefs>
<attrdomv>
<udom>Number</udom>
</attrdomv>
<attalias Sync="TRUE">ID</attalias>
<attrtype Sync="TRUE">Integer</attrtype>
<attwidth Sync="TRUE">4</attwidth>
<atprecis Sync="TRUE">10</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>NAME</attrlabl>
<attrdef>2012 PM-2.5 NAAQS Nonattainment Area Names</attrdef>
<attrdefs>Bureau of the Census - 2000 Census Municipal Boundaries, CAL-Atlas Geospatial Clearinghouse - ARB basins districts counties, ESRI - 2008 Detailed County Boundaries, MapInfo Streetworks - 1996, Division of Geology and Land Survey (DGLS) - Public Land Survey, Ohio Department of Transportation - Townships, Pennsylvania Department of Transportation - 2004 Pennsylvania Municipality Boundaries
</attrdefs>
<attrdomv>
<udom>Text</udom>
</attrdomv>
<attalias Sync="TRUE">NAME</attalias>
<attrtype Sync="TRUE">String</attrtype>
<attwidth Sync="TRUE">32</attwidth>
<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>COMPOSID</attrlabl>
<attrdef>A unique ID associated with the nonattainment or maintenance area for a specific pollutant standard. The Composid format includes the pollutant, year of the standard, and a short area name indicator.</attrdef>
<attrdefs>Geographic Strategies Group</attrdefs>
<attrdomv>
<udom>Text</udom>
</attrdomv>
<attalias Sync="TRUE">COMPOSID</attalias>
<attrtype Sync="TRUE">String</attrtype>
<attwidth Sync="TRUE">50</attwidth>
<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl>Shape</attrlabl>
<attrdef>Feature geometry.</attrdef>
<attrdefs>ESRI</attrdefs>
<attrdomv>
<udom>Coordinates defining the features.</udom>
</attrdomv>
<attalias Sync="TRUE">SHAPE</attalias>
<attrtype Sync="TRUE">Geometry</attrtype>
<attwidth Sync="TRUE">4</attwidth>
<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
</attr>
<attr>
<attrlabl Sync="TRUE">SHAPE.AREA</attrlabl>
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<atprecis Sync="TRUE">0</atprecis>
<attscale Sync="TRUE">0</attscale>
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<attrlabl Sync="TRUE">SHAPE.LEN</attrlabl>
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</detailed>
<overview>
<eaover>2012 PM-2.5 NAAQS Nonattainment Areas-2014 designations</eaover>
<eadetcit>EPA OAQPS</eadetcit>
</overview>
</eainfo>
<distinfo>
<resdesc>Live Data and Maps</resdesc>
<distliab>Although these data have been processed successfully on a computer system at the Environmental Protection Agency, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions or intended use. The U.S. Environmental Protection Agency shall not be held liable for improper or incorrect use of the data described and/or contained herein.</distliab>
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<transize>0.926</transize>
</digtinfo>
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<distrib>
<cntinfo>
<cntorgp>
<cntorg>EPA, Office of Air Quality Planning and Standards (OAQPS)</cntorg>
<cntper>Beth Palma</cntper>
</cntorgp>
<cntaddr>
<addrtype>mailing and physical</addrtype>
<address>Air Quality Policy Division, Geographic Strategies Group</address>
<address>109 TW Alexander Dr., C539-04</address>
<city>Research Triangle Park</city>
<state>NC</state>
<postal>27711</postal>
</cntaddr>
<cntvoice>919-541-5432</cntvoice>
<cntemail>palma.elizabeth@epa.gov</cntemail>
<cntinst>Please see additional information located at the following URL for requesting this data: http://www3.epa.gov/airquality/particlepollution/designations/2012standards/techinfo.htm</cntinst>
</cntinfo>
</distrib>
</distinfo>
<metainfo>
<metd>2015</metd>
<metfrd>20151016</metfrd>
<metstdn>FGDC Content Standards for Digital Geospatial Metadata</metstdn>
<metstdv>FGDC-STD-001-1998</metstdv>
<mettc>local time</mettc>
<metc>
<cntinfo>
<cntorgp>
<cntorg>EPA, Office of Air Quality Planning and Standards (OAQPS)</cntorg>
<cntper>Beth Palma</cntper>
</cntorgp>
<cntaddr>
<addrtype>mailing and physical</addrtype>
<address>Air Quality Policy Division, Geographic Strategies Group</address>
<address>109 TW Alexander Dr., C539-04</address>
<city>Research Triangle Park</city>
<state>NC</state>
<postal>27711</postal>
</cntaddr>
<cntvoice>919-541-5432</cntvoice>
<cntemail>palma.elizabeth@epa.gov</cntemail>
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<peXml Sync="TRUE">&lt;GeographicCoordinateSystem xsi:type='typens:GeographicCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.5'&gt;&lt;WKT&gt;GEOGCS[&amp;quot;GCS_North_American_1983&amp;quot;,DATUM[&amp;quot;D_North_American_1983&amp;quot;,SPHEROID[&amp;quot;GRS_1980&amp;quot;,6378137.0,298.257222101]],PRIMEM[&amp;quot;Greenwich&amp;quot;,0.0],UNIT[&amp;quot;Degree&amp;quot;,0.0174532925199433],AUTHORITY[&amp;quot;EPSG&amp;quot;,4269]]&lt;/WKT&gt;&lt;XOrigin&gt;-400&lt;/XOrigin&gt;&lt;YOrigin&gt;-400&lt;/YOrigin&gt;&lt;XYScale&gt;999999999.99999988&lt;/XYScale&gt;&lt;ZOrigin&gt;0&lt;/ZOrigin&gt;&lt;ZScale&gt;1&lt;/ZScale&gt;&lt;MOrigin&gt;0&lt;/MOrigin&gt;&lt;MScale&gt;1&lt;/MScale&gt;&lt;XYTolerance&gt;8.98315284119521e-009&lt;/XYTolerance&gt;&lt;ZTolerance&gt;0.001&lt;/ZTolerance&gt;&lt;MTolerance&gt;0.001&lt;/MTolerance&gt;&lt;HighPrecision&gt;true&lt;/HighPrecision&gt;&lt;LeftLongitude&gt;-180&lt;/LeftLongitude&gt;&lt;WKID&gt;4269&lt;/WKID&gt;&lt;LatestWKID&gt;4269&lt;/LatestWKID&gt;&lt;/GeographicCoordinateSystem&gt;</peXml>
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<rpOrgName>EPA, Office of Air Quality Planning and Standards (OAQPS)</rpOrgName>
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<voiceNum>919-541-5432</voiceNum>
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<delPoint>Air Quality Policy Division, Geographic Strategies Group</delPoint>
<delPoint>109 TW Alexander Dr., C539-04</delPoint>
<city>Research Triangle Park</city>
<adminArea>NC</adminArea>
<postCode>27711</postCode>
<eMailAdd>palma.elizabeth@epa.gov</eMailAdd>
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<rpIndName>Beth Palma</rpIndName>
<rpOrgName>EPA, Office of Air Quality Planning and Standards (OAQPS)</rpOrgName>
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<voiceNum>919-541-5432</voiceNum>
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<delPoint>Air Quality Policy Division, Geographic Strategies Group</delPoint>
<delPoint>109 TW Alexander Dr., C539-04</delPoint>
<city>Research Triangle Park</city>
<adminArea>NC</adminArea>
<postCode>27711</postCode>
<eMailAdd>palma.elizabeth@epa.gov</eMailAdd>
</cntAddress>
<cntInstr>Please see additional information located at the following URL for requesting this data: http://www3.epa.gov/airquality/particlepollution/designations/2012standards/techinfo.htm</cntInstr>
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<resTitle>2012 PM-2.5 NAAQS Nonattainment Areas-2014 designations</resTitle>
<date>
<pubDate>2026-03-09T15:52:59</pubDate>
</date>
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<idAbs>&lt;DIV STYLE="text-align:Left;"&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;P&gt;&lt;SPAN&gt;This data layer identifies areas in the U.S. where air pollution levels have not met the National Ambient Air Quality Standards (NAAQS) for the 2012 PM-2.5 National Ambient Air Quality Standards (NAAQS) and were designated "nonattainment" in 2014. The EPA Office of Air Quality Planning and Standards (OAQPS) has set the NAAQS for six principal pollutants, which are called "criteria" pollutants. Under provisions of the Clean Air Act, which is intended to improve the quality of the air we breathe, EPA sets limits on how much of a pollutant can be in the air anywhere in the United States. This ensures that all Americans have the same basic health and environmental protections. The law allows individual states to have stronger pollution controls, but states are not allowed to have weaker pollution controls than those set for the whole country. EPA calls these pollutants "criteria air pollutants" because the agency has regulated them by first developing health-based criteria (science-based guidelines) as the basis for setting permissible levels. One set of limits (primary standard) protects health; another set of limits (secondary standard) is intended to prevent environmental and property damage. A geographic area that meets or does better than the primary standard is called an attainment area; areas that don't meet the primary standard are called nonattainment areas.&lt;/SPAN&gt;&lt;/P&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;</idAbs>
<idPurp>This data set is intended to help provide the public with information to determine whether or not air quality within a given area is healthy. Once designations take effect, they also become an important component of state, tribal and local governments' efforts to control PM-2.5 emissions.</idPurp>
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<rpIndName>Beth Palma</rpIndName>
<rpOrgName>EPA, Office of Air Quality Planning and Standards (OAQPS)</rpOrgName>
<rpCntInfo>
<cntPhone>
<voiceNum>919-541-5432</voiceNum>
</cntPhone>
<cntAddress addressType="both">
<delPoint>109 TW Alexander Dr., C539-04</delPoint>
<delPoint>Air Quality Policy Division, Geographic Strategies Group</delPoint>
<city>Research Triangle Park</city>
<adminArea>NC</adminArea>
<postCode>27711</postCode>
<eMailAdd>palma.elizabeth@epa.gov</eMailAdd>
</cntAddress>
<cntInstr>Please see additional information located at the following URL for requesting this data: http://www3.epa.gov/pmdesignations/2012standards/index.htm</cntInstr>
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<placeKeys>
<keyword>Ohio</keyword>
<keyword>Delaware</keyword>
<keyword>Hawaii</keyword>
<keyword>Tennessee</keyword>
<keyword>Illinois</keyword>
<keyword>North Carolina</keyword>
<keyword>District of Columbia</keyword>
<keyword>Michigan</keyword>
<keyword>Oregon</keyword>
<keyword>Puerto Rico</keyword>
<keyword>New York</keyword>
<keyword>Mississippi</keyword>
<keyword>Florida</keyword>
<keyword>New Hampshire</keyword>
<keyword>Oklahoma</keyword>
<keyword>Texas</keyword>
<keyword>Virginia</keyword>
<keyword>West Virginia</keyword>
<keyword>Idaho</keyword>
<keyword>Nevada</keyword>
<keyword>Wisconsin</keyword>
<keyword>Massachusetts</keyword>
<keyword>Indiana</keyword>
<keyword>conterminous United States (CONUS)</keyword>
<keyword>Vermont</keyword>
<keyword>Alabama</keyword>
<keyword>United States (US) (USA)</keyword>
<keyword>Iowa</keyword>
<keyword>Louisiana</keyword>
<keyword>Maryland</keyword>
<keyword>Georgia</keyword>
<keyword>Wyoming</keyword>
<keyword>Maine</keyword>
<keyword>South Carolina</keyword>
<keyword>South Dakota</keyword>
<keyword>California</keyword>
<keyword>Colorado</keyword>
<keyword>Montana</keyword>
<keyword>New Mexico</keyword>
<keyword>Washington</keyword>
<keyword>Minnesota</keyword>
<keyword>Pennsylvania</keyword>
<keyword>North Dakota</keyword>
<keyword>Utah</keyword>
<keyword>Alaska</keyword>
<keyword>Arkansas</keyword>
<keyword>Missouri</keyword>
<keyword>Washington DC</keyword>
<keyword>New Jersey</keyword>
<keyword>Virgin Islands</keyword>
<keyword>Connecticut</keyword>
<keyword>American Samoa</keyword>
<keyword>Kansas</keyword>
<keyword>Arizona</keyword>
<keyword>Nebraska</keyword>
<keyword>Rhode Island</keyword>
<keyword>Kentucky</keyword>
<keyword>USA</keyword>
</placeKeys>
<themeKeys>
<thesaName>
<resTitle>ISO 19115 Topic Category</resTitle>
</thesaName>
<keyword>PM-2.5</keyword>
<keyword>climatologyMeteorologyAtmosphere</keyword>
<keyword>environment</keyword>
</themeKeys>
<themeKeys>
<thesaName>
<resTitle>EPA GIS Keyword Thesaurus</resTitle>
</thesaName>
<keyword>Monitoring</keyword>
<keyword>Air</keyword>
<keyword>Quality</keyword>
<keyword>Non-Attainment</keyword>
</themeKeys>
<searchKeys>
<keyword>Ohio</keyword>
<keyword>Delaware</keyword>
<keyword>Hawaii</keyword>
<keyword>Monitoring</keyword>
<keyword>Tennessee</keyword>
<keyword>Illinois</keyword>
<keyword>Air</keyword>
<keyword>North Carolina</keyword>
<keyword>District of Columbia</keyword>
<keyword>Michigan</keyword>
<keyword>Oregon</keyword>
<keyword>Puerto Rico</keyword>
<keyword>New York</keyword>
<keyword>Mississippi</keyword>
<keyword>Florida</keyword>
<keyword>New Hampshire</keyword>
<keyword>Oklahoma</keyword>
<keyword>PM-2.5</keyword>
<keyword>climatologyMeteorologyAtmosphere</keyword>
<keyword>Texas</keyword>
<keyword>Virginia</keyword>
<keyword>West Virginia</keyword>
<keyword>Idaho</keyword>
<keyword>Nevada</keyword>
<keyword>Wisconsin</keyword>
<keyword>Massachusetts</keyword>
<keyword>Indiana</keyword>
<keyword>conterminous United States (CONUS)</keyword>
<keyword>Quality</keyword>
<keyword>Vermont</keyword>
<keyword>Alabama</keyword>
<keyword>United States (US) (USA)</keyword>
<keyword>Iowa</keyword>
<keyword>Louisiana</keyword>
<keyword>Maryland</keyword>
<keyword>Georgia</keyword>
<keyword>Wyoming</keyword>
<keyword>Maine</keyword>
<keyword>South Carolina</keyword>
<keyword>South Dakota</keyword>
<keyword>California</keyword>
<keyword>Colorado</keyword>
<keyword>Montana</keyword>
<keyword>New Mexico</keyword>
<keyword>Washington</keyword>
<keyword>Minnesota</keyword>
<keyword>Non-Attainment</keyword>
<keyword>Pennsylvania</keyword>
<keyword>North Dakota</keyword>
<keyword>Utah</keyword>
<keyword>Alaska</keyword>
<keyword>Arkansas</keyword>
<keyword>Missouri</keyword>
<keyword>Washington DC</keyword>
<keyword>New Jersey</keyword>
<keyword>Virgin Islands</keyword>
<keyword>Connecticut</keyword>
<keyword>American Samoa</keyword>
<keyword>Kansas</keyword>
<keyword>Arizona</keyword>
<keyword>Nebraska</keyword>
<keyword>Rhode Island</keyword>
<keyword>Kentucky</keyword>
<keyword>environment</keyword>
</searchKeys>
<resConst>
<LegConsts>
<useLimit>Although these data have been processed successfully on a computer system at the Environmental Protection Agency, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions or intended use. The U.S. Environmental Protection Agency shall not be held liable for improper or incorrect use of the data described and/or contained herein.</useLimit>
<othConsts>Data have restricted access due to the sensitive nature of the locational information presented and may only be shared with federal, state, local or other trusted EPA partners.</othConsts>
</LegConsts>
</resConst>
<resConst>
<SecConsts>
<classSys>FIPS Pub 199</classSys>
<handDesc>Data with medium confidentiality may be shared with federal, state local or other trusted EPA partners.</handDesc>
</SecConsts>
</resConst>
<resConst>
<Consts>
<useLimit>&lt;DIV STYLE="text-align:Left;"&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;P&gt;&lt;SPAN&gt;Data are considered current to the date of the original source material. Please check sources, scale, accuracy, current status and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the EPA would be appreciated.&lt;/SPAN&gt;&lt;/P&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;</useLimit>
</Consts>
</resConst>
<spatRpType>
<SpatRepTypCd value="001"/>
</spatRpType>
<dataLang>
<languageCode value="eng"/>
<countryCode Sync="TRUE" value="USA"/>
</dataLang>
<envirDesc>ESRI ArcCatalog 9.3.0.1770</envirDesc>
<dataExt>
<geoEle>
<GeoBndBox>
<westBL>-118.942974</westBL>
<eastBL>-75.674069</eastBL>
<southBL>27.945991</southBL>
<northBL>44.848088</northBL>
</GeoBndBox>
</geoEle>
</dataExt>
<dataExt>
<exDesc>publication date</exDesc>
<tempEle>
<TempExtent>
<exTemp>
<TM_Instant>
<tmPosition>2026-03-09</tmPosition>
</TM_Instant>
</exTemp>
</TempExtent>
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</dataExt>
<dataExt>
<geoEle>
<GeoBndBox esriExtentType="search">
<exTypeCode Sync="TRUE">1</exTypeCode>
<westBL Sync="TRUE">-121.585938</westBL>
<eastBL Sync="TRUE">-75.210439</eastBL>
<northBL Sync="TRUE">47.688872</northBL>
<southBL Sync="TRUE">32.642407</southBL>
</GeoBndBox>
</geoEle>
</dataExt>
<tpCat>
<TopicCatCd value="007"/>
</tpCat>
<tpCat>
<TopicCatCd value="004"/>
</tpCat>
</dataIdInfo>
<mdMaint>
<maintFreq>
<MaintFreqCd value="012"/>
</maintFreq>
<dateNext>20151016</dateNext>
</mdMaint>
<dqInfo>
<dqScope>
<scpLvl>
<ScopeCd value="005"/>
</scpLvl>
</dqScope>
<report type="DQConcConsis">
<measDesc>ESRI feature type: Simple, Geometry: Polygon</measDesc>
</report>
<report dimension="horizontal" type="DQAbsExtPosAcc">
<measDesc>Positional accuracy for the data set varies for individual features within the data set. Actual horizontal positional accuracy for the entire data set is unknown.</measDesc>
</report>
<dataLineage>
<prcStep>
<stepDesc>Renamed feature class to comply with USDA Forest Service Enterprise Data Warehouse (EDW) naming convention</stepDesc>
<stepDateTm>2026-03-09</stepDateTm>
<stepProc>
<rpIndName>Justine Jedlicka</rpIndName>
<rpOrgName>USDA Forest Service Geospatial Technology and Applications Center (GTAC)</rpOrgName>
<rpPosName>GIS Analyst</rpPosName>
<role>
<RoleCd value="009"/>
</role>
</stepProc>
</prcStep>
<prcStep>
<stepDesc>Reprojected data to GCS_North_American_1983 WKID 4269 using ArcCatalog to meet EDW standard</stepDesc>
<stepDateTm>2026-03-09</stepDateTm>
<stepProc>
<rpIndName>Justine Jedlicka</rpIndName>
<rpOrgName>USDA Forest Service Geospatial Technology and Applications Center (GTAC)</rpOrgName>
<rpPosName>GIS Analyst</rpPosName>
<role>
<RoleCd value="009"/>
</role>
</stepProc>
</prcStep>
</dataLineage>
</dqInfo>
<Binary>
<Enclosure>
<Descript>original metadata</Descript>
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