See 7.5.5.2.: "7.5.5.2 Limitations with respect to explosive substances and articles 7.5.5.2.1 Substances and quantities carried The total net mass in kg of explosive substance (or in the case of explosive articles, the total net mass of explosive substance contained in all the articles combined) which may be carried on one transport unit shall be limited as indicated in the table below (see also 7.5.2.2 as regards the prohibition of mixed loading): Maximum permissible net mass in kg of explosive in Class 1 goods per transport unit +-----------+---------------+-------------------+--------+--------+-----------------------+---------+------------+ | | Division | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | Empty | | Transport | | | | | | and 1.6 | uncleaned | | +---------------+-------+-----------+--------+--------+-----------+-----------+---------+ packagings | | Unit | Compatibility | 1.1A | Other | | | Other | 1.4S | | | | | group | | than 1.1A | | | than 1.4S | | | | +-----------+---------------+-------+-----------+--------+--------+-----------+-----------+---------+------------+ | EX/II (a) | 6.25 | 1 000 | 3 000 | 5 000 | 15 000 | Unlimited | 5 000 | Unlimited | +---------------------------+-------+-----------+--------+--------+-----------+-----------+---------+------------+ | EX/III (a) | 18.75 | 16 000 | 16 000 | 16 000 | 16 000 | Unlimited | 16 000 | Unlimited | +---------------------------+-------+-----------+--------+--------+-----------+-----------+---------+------------+ (a) For the description of EX/II and EX/III vehicles see Part 9. 7.5.5.2.2 Where substances and articles of different divisions of Class 1 are loaded on one transport unit in conformity with the prohibitions of mixed loading contained in 7.5.2.2, the load as a whole shall be treated as if it belonged to the most dangerous division (in the order 1.1, 1.5, 1.2, 1.3, 1.6, 1.4). However, the net mass of explosives of compatibility group S shall not count towards the limitation of quantities carried. Where substances classified as 1.5D are carried on one transport unit together with substances or articles of division 1.2, the entire load shall be treated for carriage as if it belonged to division 1.1. 7.5.5.2.3 Carriage of explosives on MEMUs Carriage of explosives on MEMUs is only permitted subject to the following conditions: (a) The competent authority shall authorize the transport operation within its territory; (b) The type and quantity of packaged explosives carried shall be limited to those necessary for the quantity of material to be manufactured on the MEMU, and in any case shall not exceed: - 200 kg of explosives of compatibility group D; and - a total of 400 units of detonators or detonator assemblies, or a mixture of both, unless otherwise approved by the competent authority; (c) Packaged explosives shall only be carried in compartments that meet the requirements of 6.12.5; (d) No other dangerous goods may be carried in the same compartment as the packaged explosives; (e) Packaged explosives shall only be loaded onto the MEMU once the loading of other dangerous goods has been completed and immediately prior to carriage; (f) When mixed loading is permitted between explosives and substances of Class 5.1 (UN 1942 and UN 3375) the aggregate is treated as blasting explosives under Class 1 for the purposes of segregation, stowage and maximum permissible load."