Erin Murray Jun, Sun, 2012 Thought Pieces Unwanted: New Regulations or Invasive Species? A Principal Environmental Engineer for our Rosenblatt Ship Design Division, describes the changing regulatory environment for ballast water management including: IMO Member States’ International Convention for the Control and Management of Ships’ Ballast Water and Management and 33 Code of Federal Regulations (CFR) Part 151. Unwanted: New Regulations or Invasive Species?