OMI - IMO661E - Guidelines for the Control and Management of Ship's Ballast Water to Minimize the Transfer of Harmful Aquatic Or

This book is available in hard copy and in digital format in a locked format to read with the IMO reader (free)

This publication consists of resolution A.868(20), adopted in November 1997. These guidelines are intended to assist Governments and appropriate authorities, ship masters, operators and owners, and port authorities, as well as other interested parties in minimizing the risk of introducing harmful aquatic organisms and pathogens from ships' ballast water and associated sediments while protecting ships' safety.