IMO Manual on Chemical Pollution: Section 1 Problem Assessment and Response Arrangements 1999 Edition IA630E Section 1 of the Manual on Chemical Pollution provides guidance on ways of assessing hazards associated with a chemical spillage and describes possible response.
Broadly defined, Hazardous and Noxious Substances (HNS) are those substances that due to their intrinsic properties may, if released, endanger human life, the environment or property. There has been rapid growth in the transport and storage of HNS, and if allowed to escape, this can present a danger to a ship's crew, the vessel, coastal populations and/or the environment.
Marine spills of HNS substances are not as frequent as oil spills, however, if an HNS spill is to be handled successfully, and damage minimized careful planning is essential. This Manual is designed to assist national and local response organizations in developing effective spill response procedures under the unique conditions imposed by the marine environment.
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