DULUTH, MN (KDAL) - The American College of Surgeons has recertified St. Luke's in Duluth as a Level II Trauma Center.  The certification verifies the hospital's trauma center status through May of 2015.  St. Luke's was first certified in 1990 and is part of Minnesota's statewide trauma system.  Recertification is verified only after an on-site review by a College of Surgeons team.