1. 1) Ministry of Health, Labour and Welfare (MHLW). Examples of chemical accidents (2005-2009). http://www.mhlw.go.jp/bunya/roudoukijun/anzeneisei10/. Accessed October 20, 2010 (in Japanese).
2. 2) United Nations (2003) Globally Harmonized System of Classification and Labelling of Chemicals (GHS), New York and Geneva. Also available from: http://www.unece.org/trans/danger/publi/ghs/ghs_rev00/00files_e.html. Accessed October 20, 2010.
3. 3) Jonai H (2008) Implementation of the GHS in Japan. Ind Health 46, 443-7.
4. 4) United Nations Institute for Training and Research (UNITAR). Implementation of GHS, Development of lists of classification, UN/SCEGHS/15/INF.32, Fifteenth session, Geneva, 9-11 July 2008. http://www.unece.org/trans/doc/2008/ac10c4/UN-SCEGHS-15-inf32e.pdf. Accessed October 20, 2010.
5. 5) Organization for Economic Co-operation and Development (OECD). Outcome of the analysis of classification of selected chemicals listed in Annex III of the Rotterdam Convention, Nineteen session, Geneva, 30 June-2 July 2010. http://www.unece.org/trans/doc/2010/ac10c4/UN-SCEGHS-19-INF03.pdf. Accessed October 20, 2010.