1. Using SRS Web Services Delaware’s Experience

2. What Is SRS? Substance Registry System Substance Registry System EPA’s consolidated registry of monitored and regulated substances EPA’s consolidated registry of monitored and regulated substances Includes both chemicals and biologicals Includes both chemicals and biologicals Conforms to EPA’s Chemical & Biological Data Identification Standards Conforms to EPA’s Chemical & Biological Data Identification Standards

3. What’s In SRS? Standard & Systematic Names Standard & Systematic Names Synonyms Synonyms CAS / TSN Identifiers CAS / TSN Identifiers Molecular Weight / Formula Molecular Weight / Formula Other Associated Numbers Other Associated Numbers Regulatory References Regulatory References Links to toxicological studies, other studies Links to toxicological studies, other studies

4. SRS Web Service Exposes latest EPA summary information about requested substance Exposes latest EPA summary information about requested substance Built at request of states Built at request of states

5. SRS Web Methods NodePing NodePing Authenicate Authenicate Query Query

6. SRS Query Requests getSubstanceByCAS getSubstanceByCAS getSubstanceByName getSubstanceByName getSubstanceByEPAID getSubstanceByEPAID getSubstanceByICTV getSubstanceByICTV getSubstanceByTSN getSubstanceByTSN getSubstanceByALTID getSubstanceByALTID

7. Delaware’s SRS Implementation Local display of substance information based on data from SRS Local display of substance information based on data from SRS Substance specific links to SRS web site for more detailed information Substance specific links to SRS web site for more detailed information In Production since June 2005 In Production since June 2005

8. Delaware’s SRS Implementation Master list of substances with EPAID maintained locally used to populate search screen Master list of substances with EPAID maintained locally used to populate search screen Detailed screen populated from SRS Web Service Detailed screen populated from SRS Web Service Link from detail screen to SRS Web site Link from detail screen to SRS Web site

9. DE Substance Search Screen -1

10. DE Substance Search Screen -2

11. DE Substance Detail Screen Link to EPA SRS

12. Linking To SRS Web Site EPA Substance ID passed as parameter in URL Example: http://oaspub.epa.gov/srs/srs_proc_qry.navigate?P_ SUB_ID=777003

13. EPA SRS Web Site (Top)

14. EPA SRS Web Site (Middle)

15. EPA SRS Web Site (Bottom)

16. Requested Enhancements New/changed substance retrieval web service – By change date and program New/changed substance retrieval web service – By change date and program Enhance search capabilities for web services – “begins with”, “contains” searches Enhance search capabilities for web services – “begins with”, “contains” searches Data from CAMEO available as web service Data from CAMEO available as web service “Rosetta Stone” of EPA Program ID’s “Rosetta Stone” of EPA Program ID’s

17. SRS Redesign Restructuring SRS tables Restructuring SRS tables Renaming SRS fields Renaming SRS fields Adding new functionality so that states, EPA programs, others, can manage their own substance lists Adding new functionality so that states, EPA programs, others, can manage their own substance lists Requirements session on May 1 for states, tribes, other federal agencies Requirements session on May 1 for states, tribes, other federal agencies Roll-out of redesigned SRS by December Roll-out of redesigned SRS by December

18. More Information Dennis Murphy (DE DNREC) Dennis Murphy (DE DNREC) Dennis.murphy@state.de.us Dennis.murphy@state.de.us Dennis.murphy@state.de.us (302) 739-9016 (302) 739-9016 John Harman (US EPA) John Harman (US EPA) Harman.john@epa.gov Harman.john@epa.gov (202) 566-0748 (202) 566-0748 Exchange Network WebSite Exchange Network WebSite http://www.exchangenetwork.net/exchanges/cross/sr s.htm http://www.exchangenetwork.net/exchanges/cross/sr s.htm