10.1 Definition
Marine pollutants means substances which are subject to the provisions of Annex III of MARPOL, as amended.
10.2 General provisions
10.2.1 Marine pollutants shall be transported under the provisions of Annex III of MARPOL, as amended.
10.2.2 The Index indicates by the symbol P in the column headed MP those substances, materials and articles that are identified as marine pollutants.
10.2.3 Marine pollutants shall be transported under the appropriate entry according to their properties if they fall within the criteria of any of the classes 1 to 8. If they do not fall within the criteria of any of these classes, they shall be transported under the entry: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S., UN 3077 or ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S., UN 3082, as appropriate, unless there is a specific entry in class 9.
10.2.4 Column 4 of the Dangerous Goods List of IMDG Code also provides information on marine pollutants using the symbol P, for single entries. The absence of the symbol P or the presence of a "-" in that column does not the preclude the application of 2.10.3 in IMDG code.
10.2.5 When a substance, material or article possesses properties that meet the criteria of a marine pollutant but is not identified in IMDG Code, such substance, material or article shall be transported as a marine pollutant in accordance with IMDG Code.
10.2.6 With the approval of the competent authority (see chapter 7.9.2 in IMDG Code), substances, materials or articles that are identified as marine pollutants in IMDG Code but which no longer meet the criteria as a marine pollutant need not be transported in accordance with the provisions of IMDG Code applicable to marine pollutants.
10.3 Classification
10.3.1 Marine pollutants shall be classified in accordance with chapter 2.9.3 in IMDG Code.
10.3.2 The classification criteria of 2.9.3 in IMDG are not applicable to substances or materials of class 7