<xs:simpleType name="PressureSquaredUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="bar2">
      <xs:annotation>
        <xs:documentation>bar squared</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="GPa2">
      <xs:annotation>
        <xs:documentation>gigapascal squared</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="kPa2">
      <xs:annotation>
        <xs:documentation>kilopascal squared</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="kpsi2">
      <xs:annotation>
        <xs:documentation>(thousand psi) squared</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="Pa2">
      <xs:annotation>
        <xs:documentation>pascal squared</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="psi2">
      <xs:annotation>
        <xs:documentation>psi squared</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>