On 6 Aug 2014, South Korea’s National Institute of Environmental Research (NIER) announced by NIER Notice No.2014-21 that two substances have been added to the South Korea’s Toxic Chemical Substance List (TCSL) and GHS Classification list. In addition, on the same date, two substances were added to the country’s Observational Chemical Substances List (OCSL) by NIER Notice No.2014-22.