<xs:simpleType name="ElectricChargePerAreaUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="C/cm2">
      <xs:annotation>
        <xs:documentation>coulomb per square centimetre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="C/m2">
      <xs:annotation>
        <xs:documentation>coulomb per square metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="C/mm2">
      <xs:annotation>
        <xs:documentation>coulomb per square millimetre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="mC/m2">
      <xs:annotation>
        <xs:documentation>millicoulomb per square metre</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>