<
xs:restriction 
                        base="
                           
                              xs:string
                        ">
<xs:enumeration 
                           value="emergency vehicle units" id="_9729"/>
                        <xs:enumeration 
                           value="federal law enforcement units" id="_9730"/>
                        <xs:enumeration 
                           value="state police units" id="_9731"/>
                        <xs:enumeration 
                           value="county police units" id="_9732"/>
                        <xs:enumeration 
                           value="local police units" id="_9733"/>
                        <xs:enumeration 
                           value="ambulance units" id="_9734"/>
                        <xs:enumeration 
                           value="rescue units" id="_9735"/>
                        <xs:enumeration 
                           value="fire units" id="_9736"/>
                        <xs:enumeration 
                           value="hAZMAT units" id="_9737"/>
                        <xs:enumeration 
                           value="light tow unit" id="_9738"/>
                        <xs:enumeration 
                           value="heavy tow unit" id="_9739"/>
                        <xs:enumeration 
                           value="freeway service patrols" id="_9740"/>
                        <xs:enumeration 
                           value="transportation response units" id="_9741"/>
                        <xs:enumeration 
                           value="private contractor response units" id="_9742"/>
</
xs:restriction>