Using SRS Web Services

1
Using SRS Web Services

• Delawares Experience

2
What Is SRS?

• Substance Registry System
• EPAs consolidated registry of monitored and
  regulated substances
• Includes both chemicals and biologicals
• Conforms to EPAs Chemical Biological Data
  Identification Standards

3
Whats In SRS?

• Standard Systematic Names
• Synonyms
• CAS / TSN Identifiers
• Molecular Weight / Formula
• Other Associated Numbers
• Regulatory References
• Links to toxicological studies, other studies

4
SRS Web Service

• Exposes latest EPA summary information about
  requested substance
• Built at request of states

5
SRS Web Methods

• NodePing
• Authenicate
• Query

6
SRS Query Requests

• getSubstanceByCAS
• getSubstanceByName
• getSubstanceByEPAID
• getSubstanceByICTV
• getSubstanceByTSN
• getSubstanceByALTID

7
Delawares SRS Implementation

• Local display of substance information based on
  data from SRS
• Substance specific links to SRS web site for more
  detailed information
• In Production since June 2005

8
Delawares SRS Implementation

• Master list of substances with EPAID maintained
  locally used to populate search screen
• Detailed screen populated from SRS Web Service
• 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_ID777003

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
• Enhance search capabilities for web services
  begins with, contains searches
• Data from CAMEO available as web service
• Rosetta Stone of EPA Program IDs

17
SRS Redesign

• Restructuring SRS tables
• Renaming SRS fields
• 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
• Roll-out of redesigned SRS by December

18
More Information

• Dennis Murphy (DE DNREC)
• Dennis.murphy_at_state.de.us
• [phone]
• John Harman (US EPA)
• Harman.john_at_epa.gov
• [phone]
• Exchange Network WebSite
• http//www.exchangenetwork.net/exchanges/cross/srs
  .htm