In addition to the provisions of sections 7.5.1 to 7.5.10, the following provisions shall apply
they are shown under an entry indicated in Column (18) of Table A of Chapter 3.2.
The following operations are prohibited:
(a) Loading or unloading goods in a public place in a built-up area without special
permission from the competent authorities;
(b) Loading or unloading goods in a public place elsewhere than in a built-up area without prior
notice thereof having been given to the competent authorities, unless these operations are urgently
necessary for reasons of safety.
(2) If, for any reason, handling operations have to be carried out in a public place, then
substances and articles of different kinds shall be separated according to the labels.
CV2 (1) Before loading, the loading surface of the vehicle or container shall be thoroughly
(2) The use of fire or naked flame shall be prohibited on vehicles and containers carrying
goods, in their vicinity and during the loading and unloading of these goods.
CV3 See 18.104.22.168.
CV4 Substances and articles of compatibility group L shall only be carried as a full load. CV5 to
CV9 Packages shall not be thrown or subjected to impact.
Receptacles shall be so stowed in the vehicle or container that they cannot overturn or fall.
CV10 Cylinders as defined in 1.2.1, shall be laid parallel to or at right angles to the
longitudinal axis of the vehicle or container; however, those situated near the forward
transverse wall shall be laid at right angles to the said axis.
Short cylinders of large diameter (about 30 cm and over) may be stowed longitudinally with their
valve-protecting devices directed towards the middle of the vehicle or container.
Cylinders which are sufficiently stable or are carried in suitable devices effectively preventing
them from overturning may be placed upright.
Cylinders which are laid flat shall be securely and appropriately wedged, attached or secured so
that they cannot shift.
CV11 Receptacles shall always be placed in the position for which they were designed and be
t any possibility of being damaged by other packages.
CV12 When pallets loaded with articles are stacked, each tier of pallets shall be evenly
distributed over the lower tier, if necessary by the interposition of a material of adequate
CV13 If any substances have leaked and been spilled in a vehicle or container, it may not be re-
used until after it has been thoroughly cleaned and, if necessary, disinfected or decontaminated.
Any other goods and articles carried in the same vehicle or container shall be examined for
CV14 Goods shall be shielded from direct sunlight and heat during carriage.
Packages shall be stored only in cool, well-ventilated places away from heat sources.
CV15 See 22.214.171.124.
CV16 to CV19 (Reserved)
CV20 The provisions of Chapter 5.3 and special provisions V1 and V8(5) and (6) of Chapter 7.2
shall not apply provided that the substance is packaged in accordance with packing method OP1 or
OP2 of packing instruction P520 in 126.96.36.199, as required, and the total quantity of substances to
which this derogation applies per transport unit is limited to 10 kg.
CV21 The transport unit shall be thoroughly inspected prior to loading.
Before carriage, the carrier shall be informed:
- about the operation of the refrigeration system, including a list of the suppliers of coolant
available en route;
- procedures to be followed in the event of loss of temperature control.
In the case of temperature control in accordance with methods R2 or R4 of special provision V8(3)
of Chapter 7.2, a sufficient quantity of non-flammable refrigerant (e.g. liquid nitrogen or dry
ice), including a reasonable margin for possible delays, shall be carried unless a means of
replenishment is assured.
Packages shall be so stowed as to be readily accessible.
The specified control temperature shall be maintained during the whole transport operation,
including loading and unloading, as well as any intermediate stops.
CV22 Packages shall be loaded so that a free circulation of air within the loading space provides a
uniform temperature of the load. If the contents of one vehicle or large container exceed 5 000
kg of flammable solids, of polymerizing substances and/or organic peroxides, the load shall be
divided into stacks of not more than 5 000 kg separated by air spaces of at least 0.05 m.
CV23 When handling packages, special measures shall be taken to ensure that they do not come
into contact with water.
CV24 Before loading, vehicles and containers shall be thoroughly cleaned and in particular be
free of any combustible debris (straw, hay, paper, etc.).
The use of readily flammable materials for stowing packages is prohibited.
CV25 (1) Packages shall be so stowed that they are readily accessible.
(2) When packages are to be carried at an ambient temperature of not more than 15 °C or
refrigerated, the temperature shall be maintained when unloading or during storage.
(3) Packages shall be stored only in cool places away from sources of heat.
CV26 The wooden parts of a vehicle or container which have come into contact with these
substances shall be removed and burnt.
CV27 (1) Packages shall be so stowed that they are readily accessible.
(2) When packages are to be carried refrigerated, the functioning of the cooling chain shall be
ensured when unloading or during storage.
(3) Packages shall only be stored in cool places away from sources of heat. CV28 See 7.5.4.
CV29 to CV32 (Reserved)
CV33 NOTE 1: "Critical group" means a group of members of the public which is reasonably
homogeneous with respect to its exposure for a given radiation source and given exposure pathway
and is typical of individual receiving the highest effective dose by the given exposure pathway
from the given source.
NOTE 2: "Members of the public" means in a general sense, any individuals in the population except
when subject to occupational or medical exposure.
NOTE 3: "Workers" are any persons who work, whether full time, part-time or temporarily, for an
employer and who have recognised rights and duties in relation to occupational radiation
(1.1) Packages, overpacks, containers and tanks containing radioactive material and unpacked
radioactive material shall be segregated during carriage:
(a) from workers in regularly occupied working areas:
(i) in accordance with Table A below; or
(ii) by distances calculated using a dose criterion of 5 mSv in a year and conservative model
NOTE: Workers subject to individual monitoring for the purposes of radiation protection shall not
be considered for the purposes of segregation.
(b) from members of the public, in areas where the public has regular access:
(i) in accordance with Table A below; or
(ii) by distances calculated using a dose criterion of 1 mSv in a year and conservative model
(c) from undeveloped photographic film and mailbags:
(i) in accordance with Table B below; or
(ii) by distances calculated using a radiation exposure criterion for undeveloped photographic film
due to the transport of radioactive material for 0.1 mSv per consignment of such film; and
NOTE: Mailbags shall be assumed to contain undeveloped film and plates and therefore be separated
from radioactive material in the same way.
(d) from other dangerous goods in accordance with 7.5.2.
(1.3) No persons other than members of the vehicle crew shall be permitted in
vehicles carrying packages, overpacks or containers bearing category II- YELLOW or III-YELLOW
(2) Activity limits
The total activity in a vehicle, for carriage of LSA material or SCO in Industrial Packages Type
1 (Type IP-1), Type 2 (Type IP-2), Type 3 (Type IP-3) or
unpackaged, shall not exceed the limits shown in Table C below.
Table C: ts for LSA material and SCO in
industrial packages or unpackaged
Nature of material or object
Activity limit for vehicle
LSA-II and LSA-III
LSA-II and LSA-III
combustible solids, and all liquids and gases
(3) Stowage during carriage and storage in transit
(3.1) Consignments shall be securely stowed.
(3.2) Provided that its average surface heat flux does not exceed 15 W/m2 and that the immediately
surrounding cargo is not in bags, a package or overpack may be carried or stored among packaged
general cargo without any special stowage provisions except as may be specifically required by the
competent authority in an applicable certificate of approval.
(3.3) Loading of containers and accumulation of packages, overpacks and containers shall be
controlled as follows:
(a) Except under the condition of exclusive use, and for consignments of LSA-I material, the total
number of packages, overpacks and containers aboard a single vehicle shall be so limited that the
total sum of the transport indexes aboard the vehicle does not exceed the values shown in Table D
(b) The radiation level under routine conditions of carriage shall not exceed 2 mSv/h at any
point on, and 0.1 mSv/h at 2 m from, the external surface of the vehicle, except for consignments
carried under exclusive use, for which the radiation limits around the vehicle are set forth in
(3.5) (b) and (c);
(c) The total sum of the criticality safety indexes in a container and aboard a vehicle
shall not exceed the values shown in Table E below.
Table D: rt Index limits for containers and vehicles not under
Type of container or vehicle
Limit on total sum of transport indexes in a container or aboard a vehicle
Table E: Criticality Safety Index for containers and vehicles containing fissile material
Type of container or vehicle
Limit on total sum of criticality safety indexes
Not under exclusive use
Under exclusive use
(3.4) Any package or overpack having either a transport index greater than 10, or any consignment
having a criticality safety index greater than 50, shall be carried only under exclusive use.
(3.5) For consignments under exclusive use, the radiation level shall not exceed:
(a) 10 mSv/h at any point on the external surface of any package or overpack, and may only
exceed 2 mSv/h provided that:
(i) the vehicle is equipped with an enclosure which, during routine conditions of carriage,
prevents the access of unauthorized persons to the interior of the enclosure;
(ii) provisions are made to secure the package or overpack so that its position within the
vehicle enclosure remains fixed during routine conditions of carriage, and
(iii) there is no loading or unloading during the shipment;
(b) 2 mSv/h at any point on the outer surfaces of the vehicle, including the upper and lower
surfaces, or, in the case of an open vehicle, at any point on the vertical planes projected from
the outer edges of the vehicle, on the upper surface of the load, and on the lower external surface
of the vehicle; and
(c) 0.1 mSv/h at any point 2 m from the vertical planes represented by the outer lateral surfaces
of the vehicle, or, if the load is carried in an open vehicle, at any point 2 m from the vertical
planes projected from the outer edges of the vehicle.
(4) Additional requirements relating to carriage and storage in transit of fissile material
(4.1) Any group of packages, overpacks, and containers containing fissile material stored in
transit in any one storage area shall be so limited that the total sum of the CSIs in the group
does not exceed 50. Each group shall be stored so as to maintain a spacing of at least 6 m from
other such groups.
(4.2) Where the total sum of the criticality safety indexes on board a vehicle or in a container
exceeds 50, as permitted in Table E above, storage shall be such as to maintain a spacing of at
least 6 m from other groups of packages, overpacks or containers containing fissile material or
other vehicles carrying radioactive material.
(4.3) Fissile material meeting one of the provisions (a) to (f) of 188.8.131.52.3.5 shall meet the
(a) Only one of the provisions (a) to (f) of 184.108.40.206.3.5 is allowed per consignment;
(b) Only one approved fissile material in packages classified in accordance with 220.127.116.11.3.5
(f) is allowed per consignment unless multiple materials are authorized in the certificate of
(c) Fissile material in packages classified in accordance with 18.104.22.168.3.5
(c) shall be carried in a consignment with no more than 45 g of fissile nuclides;
(d) Fissile material in packages classified in accordance with 22.214.171.124.3.5
(d) shall be carried in a consignment with no more than 15 g of fissile nuclides;
(e) Unpackaged or packaged fissile material classified in accordance with 126.96.36.199.3.5 (e) shall be
carried under exclusive use on a vehicle with no more than 45 g of fissile nuclides.
(5) Damaged or leaking packages, contaminated packagings
(5.1) If it is evident that a package is damaged or leaking, or if it is suspected that the
package may have leaked or been damaged, access to the package shall be restricted and a
qualified person shall, as soon as possible, assess the extent of contamination and the resultant
radiation level of the package. The scope of the assessment shall include the package, the vehicle,
the adjacent loading and unloading areas, and, if necessary, all other material which has been
carried in the vehicle. When necessary, additional steps for the protection of persons property and
the environment, in accordance with provisions established by the competent authority, shall be
taken to overcome and minimize the consequences of such leakage or damage.
(5.2) Packages damaged or leaking radioactive contents in excess of allowable limits for normal
conditions of carriage may be removed to an acceptable interim location under supervision, but
shall not be forwarded until repaired or reconditioned and decontaminated.
(5.3) A vehicle and equipment used regularly for the carriage of radioactive material shall be
periodically checked to determine the level of contamination. The frequency of such checks shall
be related to the likelihood of contamination and the extent to which radioactive material is
(5.4) Except as provided in paragraph (5.5), any vehicle, or equipment or part thereof which has
become contaminated above the limits specified in
188.8.131.52.2 in the course of carriage of radioactive material, or which shows a radiation level in
excess of 5 µSv/h at the surface, shall be decontaminated as soon as possible by a qualified person
and shall not be re-used unless the following conditions are fulfilled:
(a) the non-fixed contamination shall not exceed the limits specified in 184.108.40.206.2;
(b) the radiation level resulting from the fixed contamination shall not exceed 5 ❍Sv/h at the
(5.5) A container, tank, intermediate bulk container or vehicle dedicated to the carriage of
unpackaged radioactive material under exclusive use shall be excepted from the requirements of
the previous paragraph (5.4) and in
220.127.116.11.4 solely with regard to its internal surfaces and only for as long as it remains under that
specific exclusive use.
(6) Other provisions
Where a consignment is undeliverable, the consignment shall be placed in a safe location and the
competent authority shall be informed as soon as possible and a request made for instructions on
CV34 Prior to carriage of pressure receptacles it shall be ensured that the pressure has not
risen due to potential hydrogen generation.
CV35 If bags are used as single packagings, they shall be adequately separated to allow for the
dissipation of heat.
CV36 Packages shall preferably be loaded in open or ventilated vehicles or open or ventilated
containers. If this is not feasible and packages are carried in other closed vehicles or
containers, the cargo doors of the vehicles or containers shall be marked with the following in
letters not less than 25 mm high:
"WARNING NO VENTILATION
OPEN WITH CAUTION"
This shall be in a language considered appropriate by the consignor.
For UN Nos. 2211 and 3314 this mark is not required when the vehicle or container is already marked
according to special provision 965 of the IMDG Code3.
CV37 Before loading, these by-products shall be cooled to ambient temperature, unless they have
been calcined to remove moisture. Vehicles and containers containing bulk loads shall be adequately
ventilated and protected against ingress of water throughout the journey. The cargo doors of the
closed vehicles and closed containers shall be marked with the following in letters not less than
25 mm high:
CLOSED MEANS OF CONTAINMENT OPEN WITH CAUTION"
This shall be in a language considered appropriate by the consignor.
3 Warning mark including the words “CAUTION – MAY CONTAIN FLAMMABLE VAPOUR” with lettering not
less than 25 mm high, affixed at each access point in a location where it will be easily seen by persons prior to opening
or entering the vehicle or container.