<xs:element name="Type">
    <xs:simpleType>
        <xs:restriction base="xs:token">
            <xs:enumeration value="TVOC(3.d)" />
            <xs:enumeration value="TVOC(4.w)" />
            <xs:enumeration value="TVOC(26.w)" />
            <xs:enumeration value="Formaldehyde" />
            <xs:enumeration value="Formaldehyde(3.d)" />
            <xs:enumeration value="Formaldehyde(29.d)" />
            <xs:enumeration value="VVOC(3.d)" />
            <xs:enumeration value="SVOC(3.d)" />
            <xs:enumeration value="Carc.1A.1B.VOC(28.d)" />
            <xs:enumeration value="LCI" />
            <xs:enumeration value="VOC" />
        </xs:restriction>
    </xs:simpleType>
</xs:element>