<xs:simpleType name="AreaPerVolumeUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="1/m">
      <xs:annotation>
        <xs:documentation>per metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="b/cm3">
      <xs:annotation>
        <xs:documentation>barn per cubic centimetre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="cu">
      <xs:annotation>
        <xs:documentation>capture unit</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="ft2/in3">
      <xs:annotation>
        <xs:documentation>square foot per cubic inch</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="m2/cm3">
      <xs:annotation>
        <xs:documentation>square metre per cubic centimetre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="m2/m3">
      <xs:annotation>
        <xs:documentation>square metre per cubic metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>