ST/SG/AC.10/46/Add.3 Secretariat - UNECE

United Nations

Secretariat

ST/SG/AC.10/46/Add.3

Distr.: General 18 March 2019 English Original: English and French

Committee of Experts on the Transport of Dangerous Goods and on the Globally Harmonized System of Classification and Labelling of Chemicals

Report of the Committee of Experts on the Transport of Dangerous Goods and on the Globally Harmonized System of Classification and Labelling of Chemicals on its ninth session

held in Geneva on 7 December 2018

Addendum

Annex III

Amendments to the seventh revised edition of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) (ST/SG/AC.10/30/Rev.7)

ST/SG/AC.10/46/Add.3

Chapter 1.1

1.1.2.6.1 After the first sentence, insert the following two new sentences: "However, information on risk management is occasionally provided in the GHS on a case-by-case basis for guidance purposes. Competent authorities are best placed to determine in regulations or standards the appropriate risk assessment procedures and risk management measures.".

Chapter 1.2

In the Note under the definition of "Oxidizing gas", replace "ISO 10156:2010" by "ISO 10156:2017".

Chapter 1.3

1.3.2.3.1 (b) Add the following new second sentence: "Bridging may also be applied when test data conclusively show that no classification is warranted;".

Chapter 2.1

Figure 2.1.4 Amend to read as follows:

2

TEST SERIES 8

ST/SG/AC.10/46/Add.3

TEST 8 (a) Thermal Stability Test Is the substance/mixture

thermally stable?

Yes

TEST 8 (b) ANE Large scale gap test Is the substance/mixture too sensitive to shock to be accepted as an oxidizing liquid or an

oxidizing solid?

No

No

Classify as unstable explosive

Substance/mixture to be

considered for classification

as an explosive other than

as an unstable explosive;

Yes

If the answer to the question

"Is it a very insensitive

explosive substance/mixture

with a mass explosion hazard?"

in figure 2.1.3 is "no", the

substance/mixture shall be

classified in Division 1.1

TEST 8 (c)

Koenen test

Is the substance/mixture

Yes

too sensitive to the effect of

intensive heat under

confinement?

No

ANE substance/mixture shall be classified as a Category 2 oxidizing liquid or a Category 2 oxidizing solid

(Chapters 2.13 and 2.14)

Did the Koenen Test reaction time exceed 60 seconds, and does the substance/mixture have

> 14% water?

Yes

TEST 8 (e) MBP Test Does the substance/mixture

have a MBP ................
................

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