Flue Dust, Containing Lead And Zinc
FLUE DUST, CONTAINING LEAD AND ZINC
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 240, 241
Description
A yellow to grey granular material obtained as a by-product from refining and smelting of lead and/or zinc containing materials. This can include dusts from primary production (lead and/or zinc containing ores and concentrates), from secondary production (recycling of lead and/or zinc containing materials) and from further refining of lead and/or zinc containing materials (such as zinc or lead metal).
Hazard
This cargo may liquefy if shipped at a moisture content in excess of its transportable moisture limit (TML). See sections 7 and 8 of IMSBC Code. May cause long-term health effects. Corrosive to eyes and irritating to skin. This cargo is non-combustible or has a low fire risk.
Stowage and Segregation
“Separated from” foodstuffs.
Hold Cleanliness
Clean and dry as relevant to the hazards of the cargo.
Weather Precautions
When a cargo is carried in a ship other than a ship complying with the requirements in 7.3.2 of this Code, the following provisions shall be complied with: .1 the moisture content of the cargo shall be kept less than its TML during loading operations and voyage; .2 unless expressly provided otherwise in this individual schedule, the cargo shall not be handled during precipitation; .3 unless expressly provided otherwise in this individual schedule, during handling of the cargo, all non-working hatches of the cargo spaces into which the cargo is loaded, or to be loaded, shall be closed; .4 the cargo may be handled during precipitation under the conditions stated in the procedures required in 4.3.3 of IMSBC Code; and .5 the cargo in a cargo space may be discharged during precipitation provided that the total amount of the cargo in the cargo space is to be discharged in the port. * Pursuant to 4.1.1.3 of IMSBC Code for UN 3077, class 9 cargoes, the “Class” box is left blank.
Loading
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code. As the density of this cargo is extremely high, the tank top may be overstressed unless the cargo is evenly spread across the tank top to equalize the weight distribution. Due consideration shall be given to ensure that the tank top is not overstressed during the voyage and during loading by a pile of this cargo.
Precautions
Bilge wells shall be clean, dry and covered as appropriate, to prevent ingress of the cargo. Persons who may be exposed to the dust of the cargo shall wear personal protective equipment including goggles or other equivalent dust eye-protection, respiratory protection and/or skin protection, as necessary. Due consideration shall be given to prevent dust entering living quarters and enclosed working area. Eating and drinking shall be prohibited in the cargo work areas.
Ventilation
No special requirements.
Carriage
The appearance of the surface of this cargo shall be checked regularly during the voyage. If free water above the cargo or fluid state of the cargo is observed during the voyage, the master shall take appropriate actions to prevent cargo shifting and potential capsize of the ship, and give consideration to seeking emergency entry into a place of refuge.
Discharge
No special requirements.
Clean-up
No special requirements.
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