315-Cargo and Hazardous Materials / 748
Car
g
o and
H
a
z
ardous Materials
BOS-PRD-03.900601
x
Tanks which have contained Zinc Bromide
shall
be drained as much as possible prior to washing;
x
If a vessel’s cargo pump cannot remove all but the smallest amount of brine, then consideration
shall
be given to the use of portable pumps to ensure as little residue as possible remains;
x
Tank cleaning and the discharge of tank washings can only be carried out under the surveillance of
an approved MARPOL Surveyor, as the tank washings are classed as special waste.
4
.
4
.
3 B
rine (
N
aCl
,
KCl
,
CaCl
,
Ca
B
r)
Brine, generally, has a hazard category of Xi – irritant. Contact with the skin or eyes
shall
be avoided and
vapours, fumes, spray or gas
shall
not be inhaled.
Calcium Bromide (CaBr) and fluids containing Bromides are extremely harmful when they make contact with
the skin or eyes.
NaCl, KCl, CaCl based Brines are considered to be of low/medium risk.
Brine is non-flammable with a non-determined flash point.
The
Control of Substances Hazardous to Health (COSHH) Regulations
assessment and
MSDS shall
always
be consulted.
Proper and correct PPE
shall
be worn at all times when working with Bromide based fluids.
4
.
4
.
4 B
ase
O
il
Base Oil flash points range from >65 degrees C with an auto ignition range of >230 degrees C and
shall
be
shielded/protected from all ignition sources.
The
COSHH
advice and
MSDS shall
always be consulted.
Base Oil has a hazard category of “Harmful”, with lung damage possible if swallowed.
Contact with skin and eyes
shall
be avoided and inhalation of vapour fumes or spray and gas is harmful and
will cause lung and respiratory damage.
Hand, eye and skin protection
shall
be in place and an approved respirator
shall
be used when entering any
confined space that has contained Base Oil.
4
.
4
.
5 O
il
B
ased Mud (
OB
M)
Oil Based Mud does not have a hazard category as such but each individual component has a hazard
category.
The flash point of Oil Based Mud is dependent on the base oil used but will be >65 degrees C° and
shall
be
shielded/protected from all ignition sources.
The
COSHH
assessment and
MSDS shall
always be consulted.
Nausea and headaches can occur if excessive exposure occurs.
Contact with skin and eyes
shall
be avoided as well as inhalation of vapour, fumes, spray or gas.
Hand, eye and skin protection
shall
be in place and an approved respirator utilised.
Version 04. Original date: 19/06/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS Deputy QHSE Manager. Approved by: BOS QHSES Manager. Validated by: BOS Quality Representative
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