20180222143755001.0FALSELinked Open Data Collection002-176.619056144.89736013.39490071.30123110.000https://gaftp.epa.gov/EPADataCommons/OEI/LinkedData/US%20EPA%20Linked%20Data%20-%20Posted%2020170425/Local Area NetworkGeographicGCS_North_American_1983_CSRSAngular Unit: Degree (0.017453)<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/10.3'><WKT>GEOGCS["GCS_North_American_1983_CSRS",DATUM["D_North_American_1983_CSRS",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433],AUTHORITY["EPSG",4617]]</WKT><XOrigin>-400</XOrigin><YOrigin>-400</YOrigin><XYScale>11258999068426.238</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>8.9831528411952133e-009</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><LeftLongitude>-180</LeftLongitude><WKID>4140</WKID><LatestWKID>4617</LatestWKID></GeographicCoordinateSystem>201802210906160020250522122118001500000005000ISO19115_3EPA Metadata Specification NAP ISO19115 2003N/AEPA Linked Open Data (Collection)2018-02-271-176.619056144.89736071.30123113.3949002015-01-01T00:00:002016-01-01T00:00:00U.S. EPA has published a number of authoritative datasets as Linked Data. The term Linked Data is used to describe a method of exposing, sharing, and connecting data via URIs on the Web. Linked Data is a growing part of the Web where self-describing data is published on the Web and then linked to other data using HTTP URIs.
Linked Data is an open data publishing approach that provides:
Platform independent and machine readable data;
Data that can be retrieved, downloaded and searched;
Data without restrictions that impede its reuse; and associates valid metadata.Source data comes from EPA's Facility Registry Service (FRS), EPA's Substance Registry Service (SRS), EPA's Office of Land and Emergency Management (OLEM) Resource Conservation and Recovery Act program, EPA's Office of Chemical Safety and Pollution Prevention (OCSPP) Toxic Substance Control Act (TSCA) EPA Place Names2015-01-31https://ofmpub.epa.gov/sor_internet/registry/termreg/searchandretrieve/taxonomies/search.do?search=&searchString=&taxonomyName=WBT%20-%20Geographic%20LocationsWeb Taxonomy - Geographic LocationsUnited StatesEPA Directoryfa59f6e8d29d3de78960b980736334U.S. Environmental Protection Agency, Office of Environmental InformationDavid SmithEDG Steward1200 Pennsylvania Avenue, N.W.WashingtonDC20460smith.davidg@epa.gov202-566-0797https://www.epa.gov/aboutepa/oei.htmlwebsiteTrue[EPA Directory] David SmithEPA GIS Keyword Thesaurus2007-11-02https://www.epa.gov/geospatial/epa-metadata-technical-specificationEPA Metadata Technical SpecificationContaminantEnvironmentFacilitiesToxicsWasteThis is a collection item referencing the following EPA Linked Data resources:
- EPA Facility Registry Service (FRS)
- EPA Substance Registry Service (SRS)
- Resource Conservation and Recovery Act Handlers (RCRA)
- Toxic Substance Control Act Chemical Data Reporting (CDR)
- Toxics Release Inventory (TRI)
Federal Program Inventory2013-09-16https://www.performance.gov/federalprograminventoryFederal Program Inventory020:043020:088020:089020:090020:113020:117Unrestricted LicenseEmptyhttps://edg.epa.gov/EPA_Data_License.htmlEPA Public Domain LicenseLinked Data Triples1.0datasetEPSG8.6.20SimpleFALSE0FALSEFALSELinked Open Data CollectionLinked Data Schema0https://gaftp.epa.gov/EPADataCommons/OEI/LinkedData/Data%20Models/Linked data model documentation available at the following URL: https://gaftp.epa.gov/EPADataCommons/OEI/LinkedData/Data%20Models/LOD Data Models are available here: https://gaftp.epa.gov/EPADataCommons/OEI/LinkedData/Data%20Models/
Additional details on most data elements can be found here: https://www.epa.gov/enviro/envirofacts-model
2025-05-22EPA Directoryfa59f6e8d29d3de78960b980736334U.S. Environmental Protection Agency, Office of Environmental InformationDavid SmithEDG Steward1200 Pennsylvania Avenue, N.W.WashingtonDC20460smith.davidg@epa.gov202-566-0797https://www.epa.gov/aboutepa/oei.htmlwebsiteTrue[EPA Directory] David SmithThis dataset was developed by extracting flat files from EPA source systems as noted (FRS, SRS, et cetera) and developing a modeled RDF schema and ontologies as needed. From this, a script was developed to render the input datasets as triples.74D08EF6-73ED-46B1-BE47-579758ED2058/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsK
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