<xs:simpleType name="quantityType">
    <xs:restriction base="xs:string">
        <xs:enumeration value="ActualVolume" />
        <xs:enumeration value="AirDryWeight" />
        <xs:enumeration value="Area" />
        <xs:enumeration value="BoneDry" />
        <xs:enumeration value="Count" />
        <xs:enumeration value="GrossWeight" />
        <xs:enumeration value="Energy" />
        <xs:enumeration value="Length" />
        <xs:enumeration value="LogPileVolume" />
        <xs:enumeration value="NetWeight" />
        <xs:enumeration value="NetNetWeight" />
        <xs:enumeration value="NominalWeight" />
        <xs:enumeration value="Percent" />
        <xs:enumeration value="RunningLength" />
        <xs:enumeration value="ShortLengthVolume" />
        <xs:enumeration value="SolidWoodVolume" />
        <xs:enumeration value="TareWeight" />
        <xs:enumeration value="Time" />
        <xs:enumeration value="TippedLooseVolume" />
        <xs:enumeration value="Volume" />
    </xs:restriction>
</xs:simpleType>

• quantityType
• pn:QuantityType
• pn:PriceQuantityBasis