Analyticalproceduresused to Draft — Not for Implementation characterize a reference standardshould not rely solely on comparisontesting to a previouslydesignated reference standard.
While the leader of the mobile-monitoring pack has been Nextel with their Mobile Locator, recently the mobile tracking firm Xora has released services like "geofences" which sets off an alarm when the employee goes to a previously no-no designated area (we bet 80% of these are bars).