On April 1, 2020, South Korea’s National Institute of Environmental Research (NIER) announced the updates to the GHS Classification List by NIER Announcement No. 2020-8[1], which came into effect immediately.
The major updates are summarized as below.
Adding 13 toxic chemical substances (Given No. 2020-1-957~2020-1-969) with corresponding classification information, pictograms, signal words, hazard statements, M factors and UN No.
Updating the name or classification information of 4 toxic substances previously designated (Given No. 97-1-167, 2017-1-772, 2018-1-831, 2018-1-844)
The updates details are accessible here[2].
The 13 substances have been registered and found toxic after the hazard evaluation under K-REACH. They were newly added into the Toxic Chemical Substances List (TCSL) by NIER Announcement No.2020-7[3] on March 24, 2020 (CL news[4]). It should be noted that they are still considered new chemical substances in South Korea and require new chemical registration other than the original registrants.


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