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UN test results

Under Section of ADR, explosives may be classified for transport in Great Britain on the basis of UN test results.

The UN Series Tests are described in the UN Manual of Tests and Criteria (MoTC).

This approach is most appropriate where the explosive is either:

An article or substance may be accepted or excluded from Class 1, in accordance with the MoTC.

It is essential that the procedures summarised in Figures 10.2 and 10.3 of the MoTC are noted and followed, to ensure the Competent Authority is able to expedite assignment of the correct hazard classification code for the explosive to allow carriage.

Carrying out the tests

Applicants are expected to make their own arrangements to have the necessary tests carried out, and should be able to demonstrate:

by undergoing the relevant tests, as prescribed in the MoTC.

It may help the applicant to give HSE the opportunity to witness these tests, particularly Test Series 6 and Test Series 8, which determine the hazard division to be assigned.

The applicant should provide evidence to show that tests have been satisfactorily carried out. This should include test reports, photographic and video records.  The test evidence should be sufficient to enable HSE to verify that the UN criteria have been met.

Important: When providing evidence of Test Series 6 results:

Further information on the conduct of tests can be found in the MoTC.

An FAQ page is available giving specific advice on conducting UN Test series 6(c).

Updated 2020-02-04