<?xml version="1.0" encoding="UTF-8"?><CodeSystem 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: CodeSystem usEPAsrs</b></p><a name="usEPAsrs"> </a><a name="hcusEPAsrs"> </a><a name="usEPAsrs-en-US"> </a><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/usEPAsrs</code> defines codes, but no codes are represented here</p></div></text><url value="http://terminology.hl7.org/CodeSystem/usEPAsrs"/><identifier><system value="urn:ietf:rfc:3986"/><value value="urn:oid:2.16.840.1.113883.6.275"/></identifier><version value="2.0.1"/><name value="UsEPAsrs"/><title value="US EPA Substance Registry System"/><status value="retired"/><experimental value="false"/><date value="2021-11-09T10:00:00+10:00"/><publisher value="TBD - External Body"/><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."/><caseSensitive value="true"/><content value="not-present"/></CodeSystem>