Ammonium Nitrate Based Fertilizer
AMMONIUM NITRATE BASED FERTILIZER
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 86, 87, 88
Description
Crystals, granules or prills. Non-cohesive when dry. Wholly or partly soluble in water. Common products, listed (non-exhaustive) under this schedule are: .1 calcium ammonium nitrate; .2 ammonium sulphate nitrate; .3 ammonium nitrate with other sulphates (e.g. calcium or magnesium sulphate); and .4 compound NPK/NP/NK fertilizer.
Hazard
When this cargo is heated strongly, it will decompose and give off toxic gases with the risk of toxic fumes in the cargo hold, adjacent spaces and on deck. If decomposition is initiated in a localized area, it is highly unlikely to spread throughout the mass of the fertilizer.* Fertilizer dust might be irritating to skin and mucous membranes. It is a hygroscopic cargo and will cake if wet.
Stowage and Segregation
“Separated from” sources of heat.
Hold Cleanliness
Clean and dry as relevant to the hazards of the cargo.
Weather Precautions
This cargo shall be kept as dry as practicable. This cargo shall not be handled during precipitation. During handling of this cargo, all non-working hatches of the cargo spaces into which this cargo is loaded, or to be loaded, shall be closed.
Loading
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code.
Precautions
“NO SMOKING” signs shall be displayed on deck whenever this cargo is on board. Smoking shall not be allowed on deck and in the cargo spaces. No welding, burning, cutting or other operations involving the use of fire, open flame, spark or arc-producing equipment shall be carried out on equipment or structures in direct contact with the fertilizer. In order to avoid heating the cargo, all electrical equipment or other equipment capable of developing heat, other than that of approved safe type, in the cargo spaces to be used for this cargo shall be electrically disconnected from the power source, by appropriate means other than a fuse, at a point external to the space. This situation shall be maintained while the cargo is on board. Appropriate precautions shall be taken to protect machinery and accommodation spaces from the dust of the cargo. * For the hazards associated with the spread of decomposition, see the individual schedule for AMMONIUM NITRATE BASED FERTILIZER MHB.
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