<xs:simpleType name="AmountOfSubstancePerVolumeUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="kmol/m3">
      <xs:annotation>
        <xs:documentation>kilogram-mole per cubic metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbmol/ft3">
      <xs:annotation>
        <xs:documentation>pound-mass-mole per cubic foot</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbmol/gal[UK]">
      <xs:annotation>
        <xs:documentation>pound-mass-mole per UK gallon</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="lbmol/gal[US]">
      <xs:annotation>
        <xs:documentation>pound-mass-mole per US gallon</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mol/m3">
      <xs:annotation>
        <xs:documentation>gram-mole per cubic metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>