<xs:simpleType name="TimeDescriptionEnumType">
  <xs:annotation>
    <xs:documentation>The TimeDescriptionEnumType enumerates values that describe the time, relative to the inspection, at which the environment data are measured. INTERMEDIATE means between INSPECTION_START and INSPECTION_END.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:NMTOKEN">
    <xs:enumeration value="INSPECTION_START"/>
    <xs:enumeration value="INSPECTION_END"/>
    <xs:enumeration value="INTERMEDIATE"/>
  </xs:restriction>
</xs:simpleType>