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The change will lengthen the validity of the clearance to up to four years for students and two years for working scientists , making it easier to remain in the United States for the duration of work or study programs . He said until an alternative was developed , the Division was considering a letter to up to 500 employees a year ( of the 55,000 reported injuries ) advising them of a possible safety violation and how they might pursue that issue without assistance from the Department of Commerce . Founded by Thomas B. McCabe , a 1915 Swarthmore graduate and former director of the Scott Paper Co ., the McCabe Award is granted each year to up to six students who are accepted into the entering class at Swarthmore .