<simpleType name="CodeContaminationBaseType">
    <union>
        <simpleType>
            <restriction base="string">
                <enumeration value="NONE" />
                <enumeration value="DAMP" />
                <enumeration value="WATER" />
                <enumeration value="FROST" />
                <enumeration value="DRY_SNOW" />
                <enumeration value="WET_SNOW" />
                <enumeration value="SLUSH" />
                <enumeration value="ICE" />
                <enumeration value="COMPACT_SNOW" />
                <enumeration value="RUT" />
                <enumeration value="ASH" />
                <enumeration value="SAND" />
                <enumeration value="OIL" />
                <enumeration value="RUBBER" />
                <enumeration value="GRAS" />
            </restriction>
        </simpleType>
        <simpleType>
            <restriction base="string">
                <pattern value="OTHER(:(\w|_){1,58})?" />
            </restriction>
        </simpleType>
    </union>
</simpleType>

• CodeContaminationBaseType
• aixm:CodeContaminationType
• aixm:type