Special provisions for mixed packing

When mixed packing is permitted in accordance with the provisions of this section, different
dangerous goods or dangerous goods and other goods may be packed together in combination
packagings conforming to 6.1.4.21, provided that they do not react dangerously with one another and
that all other relevant provisions of this Chapter are complied with.
NOTE 1: See also 4.1.1.5 and 4.1.1.6.
NOTE 2: For radioactive material, see 4.1.9.

Except for packages containing Class 1 goods only or Class 7 goods only, if wooden or fibreboard
boxes are used as outer packagings, a package containing different goods packed together shall not
weigh more than 100 kg.

Unless otherwise prescribed by a special provision applicable according to 4.1.10.4, dangerous goods
of the same class and the same classification code may be packed together.

provisions shall apply to the mixed packing of the goods assigned to that entry with other goods in the
same package.
MP 1 May only be packed together with goods of the same type within the same compatibility
group.
MP 2 Shall not be packed together with other goods.
MP 3 Mixed packing of UN No. 1873 with UN No. 1802 is permitted.
MP 4 Shall not be packed together with goods of other classes or with goods which are not
subject to the requirements of ADR. However, if this organic peroxide is a hardener or
compound system for Class 3 substances, mixed packing is permitted with these
substances of Class 3.
MP 5 UN No. 2814 and UN No. 2900 may be packed together in a combination packaging in
conformity with packing instruction P620. They shall not be packed together with other
goods; this does not apply to UN No. 3373 Biological substance, Category B packed in
accordance with packing instruction P650 or to substances added as coolants, e.g. ice,
dry ice or refrigerated liquid nitrogen.
MP 6 Shall not be packed together with other goods. This does not apply to substances added
as coolants, e.g. ice, dry ice or refrigerated liquid nitrogen.
MP 7 May - in quantities not exceeding 5 litres per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes when mixed
packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 8 May - in quantities not exceeding 3 litres per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes when mixed
packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 9 May be packed together in an outer packaging for combination packagings in
accordance with 6.1.4.21:
- with other goods of Class 2;
- with goods of other classes, when the mixed packing is also permitted for these;
or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 10 May - in quantities not exceeding 5 kg per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes, when mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 11 May - in quantities not exceeding 5 kg per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes (except substances of packing group I or II of Class 5.1) when
mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 12 May - in quantities not exceeding 5 kg per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes (except substances of packing group I or II of Class 5.1) when
mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
Packagings shall not weigh more than 45 kg. If fibreboard boxes are used as outer
packagings however, a package shall not weigh more than 27 kg.
MP 13 May - in quantities not exceeding 3 kg per inner packaging and per package - be packed
together in a combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes, when mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 14 May - in quantities not exceeding 6 kg per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes, when mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 15 May - in quantities not exceeding 3 litres per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes, when mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 16 (Reserved)
MP 17 May - in quantities not exceeding 0.5 litre per inner packaging and 1 litre per package -
be packed together in a combination packaging conforming to 6.1.4.21:
- with goods of other classes, except Class 7, when mixed packing is also
permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 18 May - in quantities not exceeding 0.5 kg per inner packaging and 1 kg per package - be
packed together in a combination packaging conforming to 6.1.4.21:
- with goods of other classes, except Class 7, when mixed packing is also
permitted for these; or
- with goods which are not subject to the requirements of ADR,
provided they do not react dangerously with one another.
MP 19 May - in quantities not exceeding 5 litres per inner packaging - be packed together in a
combination packaging conforming to 6.1.4.21:
- with goods of the same class covered by other classification codes or with goods
of other classes, when mixed packing is also permitted for these; or
- with goods which are not subject to the requirements of ADR, provided they do
not react dangerously with one another.
MP 20 May be packed together with substances covered by the same UN number.
Shall not be packed together with goods of Class 1 having different UN numbers,
except if provided for by special provision MP 24.
Shall not be packed together with goods of other classes or with goods which are not
subject to the requirements of ADR.
MP 21 May be packed together with articles covered by the same UN number.
Shall not be packed together with goods of Class 1 having different UN numbers,
except for:
(a) their own means of initiation, provided that
(i) the means of initiation will not function under normal conditions of
carriage; or
(ii) such means have at least two effective protective features which prevent
explosion of an article in the event of accidental functioning of the means
of initiation; or
(iii) when such means do not have two effective protective features (i.e. means
of initiation assigned to compatibility group B), in the opinion of the
competent authority of the country of origin2, the accidental functioning
of the means of initiation does not cause the explosion of an article under
normal conditions of carriage;
(b) articles of compatibility groups C, D and E.
Shall not be packed together with goods of other classes or with goods which are not
subject to the requirements of ADR.
When goods are packed together in accordance with this special provision, account shall
be taken of a possible amendment of the classification of packages in accordance with
2.2.1.1. For the description of the goods in the transport document, see 5.4.1.2.1 (b).
MP 22 May be packed together with articles covered by the same UN number.
Shall not be packed together with goods of Class 1 having different UN numbers,
except
(a) With their own means of initiation, provided that the means of initiation will not
function under normal conditions of carriage; or
(b) With articles of compatibility groups C, D and E; or
(c) If provided for by special provision MP 24.
Shall not be packed together with goods of other classes or with goods which are not
subject to the requirements of ADR.
When goods are packed together in accordance with this special provision, account shall
be taken of a possible amendment of the classification of packages in accordance with
2.2.1.1. For the description of the goods in the transport document, see 5.4.1.2.1 (b).
 
 
2 If the country of origin is not a Contracting Party to ADR, the approval shall require validation by the
competent authority of the first country Contracting Party to ADR reached by the consignment.
 
MP 23 May be packed together with articles covered by the same UN number.
Shall not be packed together with goods of Class 1 having different UN numbers,
except
(a) With their own means of initiation, provided that the means of initiation will not
function under normal conditions of carriage; or
(b) If provided for by special provision MP 24.
Shall not be packed together with goods of other classes or with goods which are not
subject to the requirements of ADR.
When goods are packed together in accordance with this special provision, account shall
be taken of a possible amendment of the classification of packages in accordance with
2.2.1.1. For the description of the goods in the transport document, see 5.4.1.2.1 (b).
MP 24 May be packed together with goods with the UN numbers shown in the table below,
under the following conditions:
- if a letter A is indicated in the table, the goods with those UN numbers may be
included in the same package without any special limitation of mass;
- if a letter B is indicated in the table, the goods with those UN numbers may be
included in the same package up to a total mass of 50 kg of explosive substances.
When goods are packed together in accordance with this special provision, account shall
be taken of a possible amendment of the classification of packages in accordance with
2.2.1.1. For the description of the goods in the transport document, see 5.4.1.2.1 (b).
 
 
 
 

 

UN

No.

0012

0014

0027

0028

0044

0054

0160

0161

0186

0191

0194

0195

0197

0238

0240

0312

0333

0334

0335

0336

0337

0373

0405

0428

0429

0430

0431

0432

0505

0506

0507

0012

 

A

                                                         

0014

A

                                                           

0027

     

B

B

 

B

B

                                             

0028

   

B

 

B

 

B

B

                                             

0044

   

B

B

   

B

B

                                             

0054

               

B

B

B

B

B

B

B

B

         

B

B

B

B

B

B

B

B

B

B

0160

   

B

B

B

   

B

                                             

0161

   

B

B

B

 

B

                                               

0186

         

B

     

B

B

B

B

B

B

B

         

B

B

B

B

B

B

B

B

B

B

0191

         

B

   

B

 

B

B

B

B

B

B

         

B

B

B

B

B

B

B

B

B

B

0194

         

B

   

B

B

 

B

B

B

B

B

         

B

B

B

B

B

B

B

B

B

B

0195

         

B

   

B

B

B

 

B

B

B

B

         

B

B

B

B

B

B

B

B

B

B

0197

         

B

   

B

B

B

B

 

B

B

B

         

B

B

B

B

B

B

B

B

B

B

0238

         

B

   

B

B

B

B

B

 

B

B

         

B

B

B

B

B

B

B

B

B

B

0240

         

B

   

B

B

B

B

B

B

 

B

         

B

B

B

B

B

B

B

B

B

B

0312

         

B

   

B

B

B

B

B

B

B

           

B

B

B

B

B

B

B

B

B

B

0333

                                 

A

A

A

A

                   

0334

                               

A

 

A

A

A

                   

0335

                               

A

A

 

A

A

                   

0336

                               

A

A

A

 

A

                   

0337

                               

A

A

A

A

                     

0373

         

B

   

B

B

B

B

B

B

B

B

           

B

B

B

B

B

B

B

B

B

0405

         

B

   

B

B

B

B

B

B

B

B

         

B

 

B

B

B

B

B

B

B

B

0428

         

B

   

B

B

B

B

B

B

B

B

         

B

B

 

B

B

B

B

B

B

B

0429

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

 

B

B

B

B

B

B

0430

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

B

 

B

B

B

B

B

0431

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

B

B

 

B

B

B

B

0432

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

B

B

B

 

B

B

B

0505

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

B

B

B

B

 

B

B

0506

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

B

B

B

B

B

 

B

0507

         

B

   

B

B

B

B

B

B

B

B

         

B

B

B

B

B

B

B

B

B

 

4.2

USE OF PORTABLE TANKS AND UN MULTIPLE-ELEMENT GAS CONTAINERS (MEGCs)

NOTE 1: For fixed tanks (tank-vehicles), demountable tanks and tank-containers and tank swap bodies, with
shells made of metallic materials, and battery-vehicles and multiple element gas containers (MEGCs),
see Chapter 4.3; for fibre-reinforced plastics tanks, see Chapter 4.4; for vacuum operated waste
tanks, see Chapter 4.5.
NOTE 2: Portable tanks and UN MEGCs marked in accordance with the applicable provisions of Chapter 6.7
but which were approved in a State which is not a Contracting Party to ADR may nevertheless be
used for carriage under ADR.

General provisions for the use of portable tanks for the carriage of substances of Class 1 and Classes 3 to 9

This section provides general provisions applicable to the use of portable tanks for the carriage of
substances of Classes 1, 3, 4.1, 4.2, 4.3, 5.1, 5.2, 6.1, 6.2, 7, 8 and 9. In addition to these general
provisions, portable tanks shall conform to the design, construction, inspection and testing
requirements detailed in 6.7.2. Substances shall be carried in portable tanks conforming to the
applicable portable tank instruction identified in Column (10) of the Table A of Chapter 3.2 and
described in 4.2.5.2.6 (T1 to T23) and the portable tank special provisions assigned to each substance
in Column (11) of Table A of Chapter 3.2 and described in 4.2.5.3.

During carriage, portable tanks shall be adequately protected against damage to the shell and service
equipment resulting from lateral and longitudinal impact and overturning. If the shell and service
equipment are so constructed as to withstand impact or overturning it need not be protected in this
way. Examples of such protection are given in 6.7.2.17.5.

Certain substances are chemically unstable. They are accepted for carriage only when the necessary
steps have been taken to prevent their dangerous decomposition, transformation or polymerization
during carriage. To this end, care shall in particular be taken to ensure that shells do not contain any
substances liable to promote these reactions.

The temperature of the outer surface of the shell excluding openings and their closures or of the
thermal insulation shall not exceed 70 °C during carriage. When necessary, the shell shall be
thermally insulated.

Empty portable tanks not cleaned and not gas-free shall comply with the same provisions as portable
tanks filled with the previous substance.

Substances shall not be carried in the same or in adjoining compartments of shells when they may
react dangerously with each other (see definition for "dangerous reaction" in 1.2.1).

The design approval certificate, the test report and the certificate showing the results of the initial
inspection and test for each portable tank issued by the competent authority or its authorized body
shall be retained by the authority or body and the owner. Owners shall be able to provide this
documentation upon the request of any competent authority.

Unless the name of the substance(s) being carried appears on the metal plate described in 6.7.2.20.2 a
copy of the certificate specified in 6.7.2.18.1 shall be made available upon the request of a competent
authority or its authorized body and readily provided by the consignor, consignee or agent, as
appropriate.
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