﻿<?xml version="1.0"?>
<metadata xml:lang="en">
	<idinfo>
		<citation>
			<citeinfo>
				<origin>USEPA, USFS, USFWS, NPS, BIA</origin>
				<title>Mandatory Class 1 Federal Areas</title>
				<pubinfo>
					<publish>U.S. EPA Office of Air and Radiation (OAR) - Office of Air Quality Planning and Standards (OAQPS)</publish>
					<pubplace>Research Triangle Park, NC</pubplace>
				</pubinfo>
				<pubdate>20150922</pubdate>
				<onlink>https://edg.epa.gov/data/public/OAR/OAQPS/Class1/Class1Areas.zip</onlink>
				<onlink>http://geodata.epa.gov/arcgis/rest/services/OAR_OAQPS/Class1_Areas/MapServer</onlink>
			</citeinfo>
		</citation>
		<keywords>
			<theme>
				<themekt>ISO 19115 Topic Category</themekt>
				<themekey>boundaries</themekey>
				<themekey>climatologyMeteorologyAtmosphere</themekey>
				<themekey>environment</themekey>
			</theme>
			<theme>
				<themekt>EPA GIS Keyword Thesaurus</themekt>
				<themekey>Air</themekey>
				<themekey>Compliance</themekey>
				<themekey>Environment</themekey>
				<themekey>Monitoring</themekey>
				<themekey>Quality</themekey>
				<themekey>Regulatory</themekey>
			</theme>
			<place>
				<placekt>None</placekt>
				<placekey>Alabama</placekey>
				<placekey>Alaska</placekey>
				<placekey>Arizona</placekey>
				<placekey>Arkansas</placekey>
				<placekey>California</placekey>
				<placekey>Canada</placekey>
				<placekey>Colorado</placekey>
				<placekey>Florida</placekey>
				<placekey>Georgia</placekey>
				<placekey>Hawaii</placekey>
				<placekey>Idaho</placekey>
				<placekey>Kentucky</placekey>
				<placekey>Louisiana</placekey>
				<placekey>Maine</placekey>
				<placekey>Michigan</placekey>
				<placekey>Minnesota</placekey>
				<placekey>Missouri</placekey>
				<placekey>Montana</placekey>
				<placekey>Nevada</placekey>
				<placekey>New Hampshire</placekey>
				<placekey>New Jersey</placekey>
				<placekey>New Mexico</placekey>
				<placekey>North Carolina</placekey>
				<placekey>North Dakota</placekey>
				<placekey>Oklahoma</placekey>
				<placekey>Oregon</placekey>
				<placekey>South Carolina</placekey>
				<placekey>South Dakota</placekey>
				<placekey>Tennessee</placekey>
				<placekey>Texas</placekey>
				<placekey>United States</placekey>
				<placekey>Utah</placekey>
				<placekey>Vermont</placekey>
				<placekey>Virgin Islands</placekey>
				<placekey>Virginia</placekey>
				<placekey>Washington</placekey>
				<placekey>West Virginia</placekey>
				<placekey>Wyoming</placekey>
			</place>
			<theme>
				<themekt>User</themekt>
			</theme>
		</keywords>
		<spdom>
			<bounding>
				<westbc>-138.21454852</westbc>
				<eastbc>-12.68151645</eastbc>
				<northbc>61.7110157</northbc>
				<southbc>6.65223303</southbc>
			</bounding>
		</spdom>
		<accconst>None.</accconst>
		<useconst>None. Please check sources, scale, accuracy, currentness 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>
		<descript>
			<abstract>This data layer shows Mandatory Class 1 Federal Areas in the United States. This layer was compiled from features originating from several data sources, including USEPA, USFS, USFWS, NPS and BIA.</abstract>
			<supplinf>This is an EPA-created dataset derived from several sources.</supplinf>
			<purpose>To support USEPA's visibility protection program.</purpose>
		</descript>
		<timeperd>
			<current>Publication date</current>
			<timeinfo>
				<sngdate>
					<caldate>20150922</caldate>
				</sngdate>
			</timeinfo>
		</timeperd>
		<status>
			<progress>Complete</progress>
			<update>None Planned</update>
		</status>
		<secinfo>
			<secsys>FIPS Pub 199</secsys>
			<secclass>No Confidentiality</secclass>
			<sechandl>Standard Technical Controls</sechandl>
		</secinfo>
		<ptcontac>
			<cntinfo>
				<cntperp>
					<cntorg>U.S. Environmental Protection Agency, Office of Air and Radiation-Office of Air Quality Planning and Standards</cntorg>
					<cntper>Halil Cakir</cntper>
				</cntperp>
				<cntaddr>
					<addrtype>mailing and physical address</addrtype>
					<address>109 T.W. Alexander Drive</address>
					<city>Research Triangle Park</city>
					<state>NC</state>
					<postal>27709</postal>
				</cntaddr>
				<cntvoice>919-541-5390</cntvoice>
				<cntemail>cakir.halil@epa.gov</cntemail>
			</cntinfo>
		</ptcontac>
	</idinfo>
	<distInfo>
		<distributor>
			<distorTran>
				<onLineSrc>
					<linkage>file://\\RAVAR1\C$\Delivered_to_IBM\090501\allClass1_merge</linkage>
					<protocol>Local Area Network</protocol>
				</onLineSrc>
			</distorTran>
		</distributor>
		<distFormat>
			<formatName>File Geodatabase Feature Class</formatName>
		</distFormat>
	</distInfo>
	<dataIdInfo>
		<envirDesc>Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.3.1.4959</envirDesc>
		<dataLang>
			<languageCode value="eng" />
			<countryCode value="USA" />
		</dataLang>
		<idCitation>
			<resTitle>HalilClass1_Dissolve</resTitle>
			<presForm>
				<PresFormCd value="005" />
			</presForm>
		</idCitation>
		<spatRpType>
			<SpatRepTypCd value="001" />
		</spatRpType>
	</dataIdInfo>
	<mdLang>
		<languageCode value="eng" />
		<countryCode value="USA" />
	</mdLang>
	<mdHrLv>
		<ScopeCd value="005" />
	</mdHrLv>
	<mdHrLvName>dataset</mdHrLvName>
	<refSysInfo>
		<RefSystem>
			<refSysID>
				<identCode code="4269" />
				<idCodeSpace>EPSG</idCodeSpace>
				<idVersion>8.6.2</idVersion>
			</refSysID>
		</RefSystem>
	</refSysInfo>
	<spatRepInfo>
		<VectSpatRep>
			<geometObjs>
				<geoObjTyp>
					<GeoObjTypCd value="002" />
				</geoObjTyp>
				<geoObjCnt>0</geoObjCnt>
			</geometObjs>
			<topLvl>
				<TopoLevCd value="001" />
			</topLvl>
		</VectSpatRep>
	</spatRepInfo>
	<eainfo>
		<detailed>
			<enttyp>
				<enttypl>Mandatory_Class1_Federal_Areas</enttypl>
				<enttypd>Mandatory Class 1 Federal Areas</enttypd>
				<enttypds>USEPA</enttypds>
			</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>
			</attr>
			<attr>
				<attrlabl>Shape</attrlabl>
				<attrdef>Feature geometry.</attrdef>
				<attrdefs>Esri</attrdefs>
				<attrdomv>
					<udom>Coordinates defining the features.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>NAME</attrlabl>
				<attrdef>Name of mandatory class 1 federal area.</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<udom>Free text name of class 1 area.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>STATE</attrlabl>
				<attrdef>State abbreviation</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<udom>Two to five digit state abbreviation.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>SRCSCALE</attrlabl>
				<attrdef>Scale at which feature was digitized or acquired.</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<udom>Free text.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>SRCINFO</attrlabl>
				<attrdef>Source information.</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<udom>Free text.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>NOTES</attrlabl>
				<attrdef>Notes regarding features' origin</attrdef>
				<attrdefs>UNKNOWN</attrdefs>
				<attrdomv>
					<udom>Free text.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>NOTES2</attrlabl>
				<attrdef>Additional notes about feature.</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<udom>Free text.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>AREA_ACRES</attrlabl>
				<attrdef>Area in acres.</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<udom>Positive numbers representing feature area.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>EPAREGION</attrlabl>
				<attrdef>EPA region</attrdef>
				<attrdefs>USEPA</attrdefs>
				<attrdomv>
					<rdom>
						<rdommin>Region 1</rdommin>
						<rdommax>Region 10</rdommax>
					</rdom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>Shape_Length</attrlabl>
				<attrdef>Length of feature in internal units.</attrdef>
				<attrdefs>Esri</attrdefs>
				<attrdomv>
					<udom>Positive numbers representing feature length.</udom>
				</attrdomv>
			</attr>
			<attr>
				<attrlabl>Shape_Area</attrlabl>
				<attrdef>Area of feature in internal units squared.</attrdef>
				<attrdefs>Esri</attrdefs>
				<attrdomv>
					<udom>Positive numbers representing feature area.</udom>
				</attrdomv>
			</attr>
		</detailed>
	</eainfo>
	<mdDateSt>20150921</mdDateSt>
	<dataqual>
		<logic>Tests for integrity have not been performed.</logic>
		<complete>Features represented have not been tested for completeness</complete>
		<posacc>
			<horizpa>
				<horizpar>Data were collected using methods that have unknown accuracy (EPA National Geospatial Data Policy [NGDP] Accuracy Tier 10). For more information, please see EPA's NGDP at http://epa.gov/geospatial/policies.html)</horizpar>
			</horizpa>
		</posacc>
		<lineage>
			<procstep>
				<procdate>20150916</procdate>
				<procdesc>Original dataset provided by OAQPS. Origin of the dataset is unknown, but it appears to have been compiled using data from USFS, NPS, USGS and other sources.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150918</procdate>
				<procdesc>Dataset imported into new Esri 10.3.1 file geodatabase.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150921</procdate>
				<procdesc>Repair geometry tool was run in ArcGIS 10.3.1 to remove negative area values.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150921</procdate>
				<procdesc>Features were dissolved based on Name field.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150921</procdate>
				<procdesc>Extraneous features were removed.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150921</procdate>
				<procdesc>Select American Indian Reservations from BIA were added to the dataset.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150921</procdate>
				<procdesc>Metadata from American Indian Reservations were added to the Notes fields.</procdesc>
			</procstep>
			<procstep>
				<procdate>20150921</procdate>
				<procdesc>EPA regions were added to the layer.</procdesc>
			</procstep>
		</lineage>
	</dataqual>
	<distinfo>
		<resdesc>Downloadable Data</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 also 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>
		<distrib>
			<cntinfo>
				<cntperp>
					<cntorg>U.S. Environmental Protection Agency, Office of Air and Radiation-Office of Air Quality Planning and Standards</cntorg>
					<cntper>Halil Cakir</cntper>
				</cntperp>
				<cntaddr>
					<addrtype>mailing and physical address</addrtype>
					<address>109 T.W. Alexander Drive</address>
					<city>Research Triangle Park</city>
					<state>NC</state>
					<postal>27709</postal>
				</cntaddr>
				<cntvoice>919-541-5390</cntvoice>
				<cntemail>cakir.halil@epa.gov</cntemail>
			</cntinfo>
		</distrib>
	</distinfo>
	<metainfo>
		<metd>20150922</metd>
		<metfrd>20190922</metfrd>
		<metstdn>FGDC Content Standard for Digital Geospatial Metadata</metstdn>
		<metstdv>FGDC-STD-001-1998</metstdv>
		<metc>
			<cntinfo>
				<cntperp>
					<cntorg>U.S. Environmental Protection Agency, Office of Air and Radiation-Office of Air Quality Planning and Standards</cntorg>
					<cntper>Halil Cakir</cntper>
				</cntperp>
				<cntaddr>
					<addrtype>mailing and physical address</addrtype>
					<address>109 T.W. Alexander Drive</address>
					<city>Research Triangle Park</city>
					<state>NC</state>
					<postal>27709</postal>
				</cntaddr>
				<cntvoice>919-541-5390</cntvoice>
				<cntemail>cakir.halil@epa.gov</cntemail>
			</cntinfo>
		</metc>
	</metainfo>
	<spref>
		<horizsys>
			<planar>
				<mapproj>
					<mapprojn>USA Contiguous Albers Equal Area Conic</mapprojn>
					<albers>
						<stdparll>29.5</stdparll>
						<stdparll>45.5</stdparll>
						<longcm>-96.0</longcm>
						<latprjo>37.5</latprjo>
						<feast>0.0</feast>
						<fnorth>0.0</fnorth>
					</albers>
				</mapproj>
				<planci>
					<plance>coordinate pair</plance>
					<coordrep>
						<absres>.001</absres>
						<ordres>.001</ordres>
					</coordrep>
					<plandu>meters</plandu>
				</planci>
			</planar>
			<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>
</metadata>