1. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use Only Publishing EPA Registry Content as Linked Open Data Michael Pendleton Office of Environmental Information U.S. Environmental Protection Agency Ecoinformatics Linked Open Data Webinar December 6-7, 2010

2. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 2 Overview System of Registries Substance Registry Registries and Linked Open Data

3. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 3 EPAs System of Registries www.epa.gov/sor

4. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 4 Substance Registry - Background Approximately 100,000 substance records Objectives: –One-stop for substance metadata –Support two data standards Chemical Identification Biological Taxonomy –Enable cross-walk of substance identification Many EPA programs and environmental statutes Many substances tracked or regulated Multiple names used for each substance

5. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 5 Substance Registry Contents Programmatic information –Statutes, EPA systems, other sources that track or regulate substances –Synonyms used by those sources –Program-specific characteristics E.g., program identifiers, reporting end date Fact sheets and links to additional health and safety information about the substance

6. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 6 2/15/20146

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14. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 14 Data.gov (US) and EPA EPA has long history publishing data Developing EPA Data.gov guidance and procedures Data.gov is focused on high value datasets –Facility Registry – uniquely identify places of environmental interest –Substance Registry – uniquely identify substances we regulate

15. U.S. ENVIRONMENTAL PROTECTION AGENCY For Conference Use OnlySlide 15 Next Steps Publish FRS and SRS content as linked open data –Persistent URI strategy, versioning, provenance, other metadata Linked open data demonstrations –Focus on use of FRS and SRS content Guidance for publishing datasets as linked open data