<?xml version="1.0" encoding="UTF-8"?><NamingSystem xmlns="http://hl7.org/fhir"><id value="usEPAsrs"/><text><status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: NamingSystem usEPAsrs</b></p><a name="usEPAsrs"> </a><a name="hcusEPAsrs"> </a><a name="usEPAsrs-en-US"> </a><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/usEPAsrs</td></tr><tr><td>Version</td><td>2.1.0</td></tr><tr><td>Name</td><td>UsEPAsrs</td></tr><tr><td>Title</td><td>US EPA Substance Registry System</td></tr><tr><td>Status</td><td>retired</td></tr><tr><td>Definition</td><td><div><p>The United States Environmental Protection Agency's (US EPA) Substance Registry System (SRS) provides information on substances and how they are represented in US environmental statutes, in US EPA information systems, and in information systems owned by other organizations. The SRS provides standardized identification for each substance to improve data quality in US EPA systems and elsewhere.</p>
</div></td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td></tr><tr><td>OID</td><td>2.16.840.1.113883.6.275</td><td>true</td></tr><tr><td>URI</td><td>http://terminology.hl7.org/CodeSystem/usEPAsrs</td><td>true</td></tr></table></div></text><url value="http://terminology.hl7.org/NamingSystem/usEPAsrs"/><version value="2.1.0"/><name value="UsEPAsrs"/><title value="US EPA Substance Registry System"/><status value="retired"/><kind value="codesystem"/><date value="2021-11-09T10:00:00+10:00"/><description value="The United States Environmental Protection Agency's (US EPA) Substance Registry System (SRS) provides information on substances and how they are represented in US environmental statutes, in US EPA information systems, and in information systems owned by other organizations. The SRS provides standardized identification for each substance to improve data quality in US EPA systems and elsewhere."/><uniqueId><type value="oid"/><value value="2.16.840.1.113883.6.275"/><preferred value="true"/></uniqueId><uniqueId><type value="uri"/><value value="http://terminology.hl7.org/CodeSystem/usEPAsrs"/><preferred value="true"/></uniqueId></NamingSystem>