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).
Characteristics
| Physical properties
|
| Size
|
Angle of repose
|
Bulk density
(kg/m3)
|
Stowage factor
(m3/t)
|
| Fines
up to 1.2 mm
|
56°
|
2,200
to 4,200
|
0.24
to 0.45
|
| Hazard
classification
|
| Class
|
Subsidiary hazard(s)
|
MHB
|
Group
|
|
|
Not
applicable
|
TX
and/or CR
|
A and
B
|
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 this 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 this 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.
Loading
Trim in accordance with the relevant provisions required under sections 4
and 5 of this 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.
Emergency procedures
| Special emergency equipment to
be carried
|
| Protective clothing (goggles,
gloves, boots, coveralls and headgear).
Self-contained breathing
apparatus.
|
| Emergency
procedures
|
| Wear protective clothing and
self-contained breathing apparatus.
|
| Emergency action in the event
of fire
|
| Batten down; use ship's fixed
firefighting installation, if fitted.
Use water spray to control spread
of dust, if necessary.
|
| Medical first aid
|
| Refer to the Medical First Aid
Guide (MFAG), as amended.
|