challenge_issue,description 1,"Casual, Extra, Temporary or Intermittent" 2,Confidential 3,Community of Interests 4,Discriminatee - ULP Issues 5,Dual Function 6,Independent Contractor 7,Managerial 8,Not Employed during Elig.Period - No ULP 9,Not Employed during Elig.Period-ULPfiled 10,Not on List 11,On Call 12,Office Clerical/Plant Clerical 13,Other Reasons 14,Probationary 15,Relative of Management 16,Seasonal 17,Student 18,Striker Replacement 20,Striker 21,Supervisor 22,Technical 23,Not in Unit