Marine Vessel Environmental Performance (MVEP) Assessment Guide, General Measures: Ocean Health and Aquatic Life – Underwater Noise, written by Michael Bahtiarian; reviewed by SNAME Technical & Research Panel EC-10 “Marine Vessel Environmental Performance” Co-Chaired by Dr. Eleanor K.N. Kirtley, PE, Timothy S. Leach, PE, and Brian M. Ackerman; and approved by the Society’s Environmental Engineering Committee Chaired by Bruce A. Russell. It is third in a series being developed to address vessel environmental performance. Recognizing the potential impacts on marine animals, this Guide addresses vessel generated incidental underwater radiated noise.