1. European Agency for Safety and Health at Work (1996) Guidance on risk assessment at work (Directive 89/391/EEC). https://osha.europa.eu/en/topics/riskassessment/guidance.pdf
2. World Health Organization (2010) WHO good manufacturing practices for pharmaceutical products containing hazardous substances. Annex 3 WHO Technical Report Series 957, Download from http://www.who.int/medicines/areas/quality_safety/quality_assurance/GMPPharmaceuticalProductsCcontainingHhazardousSubstancesTRS957Annex3.pdf
3. Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on Classification, Labelling and Packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006. http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2008:353:0001:1355:en:PDF
4. Annex VI Harmonised classification and labelling for certain hazardous substances (CLP Regulation [3])
5. Annex I Classification and labelling requirements for hazardous substances and mixtures (CLP Regulation [3])