English: OECD (1998) Harmonised Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
French: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://wwwl.oecd.org/ehs/Class/HCL6.htm).
German: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, bestätigt auf der 28. Gemeinsamen Tagung des Chemikalien-Ausschusses und der Arbeitsgruppe Chemikalien, November 1998 (http://www1.oecd.org/ehs/Class/HCL6.htm).
Spanish: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, noviembre de 1998 (http://wwwl.oecd.org/ehs/Class/HCL6.htm).
Italian: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998. (http://www1.oecd.org/ehs/Class/HCL6.htm).
Portuguese: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
Dutch: OECD (1998). Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
Danish: OECD (1998) Harmonised Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, som vedtaget på det 28. fælles møde mellem OECD's kemikalieudvalg og arbejdsgruppe vedrørende kemikalier, november 1998 (http://wwwl.oecd1.org/ehs/Class/HCL6.htm).
Swedish: OECD (1998), Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
Finnish: OECD (1998). Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, marraskuu 1998 (http://wwwl.oecd.org/ehs/Class/HCL6.htm).
Greek: ΟΟΣΑ (1998) Εναρμονισμένο Ολοκληρωμένο Σύστημα Ταξινόμησης Κινδύνων για τις Επιδράσεις των Χημικών Ουσιών στην Υγεία του ανθρώπου και στο Περιβάλλον, το οποίο εγκρίθηκε από την 28η κοινή συνεδρίαση της επιτροπής χημικών προϊόντων και της ομάδας εργασίας για τα χημικά προϊόντα, το Νοέμβριο του 1998 (http://wwwl.oecd.org/ehs/Class/HCL6.htm).
Czech: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
Slovak: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, potvrdený 28. spoločným zasadaním Výboru pre chemikálie a Pracovnej skupiny pre chemikálie, november 1998 (http://wwwl.oecd.org/ehs/Class/HCL6.htm).
Polish: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www1.oecd.org/ehs/Class/HCL6.htm).
Hungarian: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www1.oecd.org/ehs/Class/HCL6.htm).
Slovenian: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
Estonian: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://wwwl.oecd.org/ehs/Class/HCL6.htm).
Latvian: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28thJoint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecd1.org/ehs/Class/HCL6.htm).
Lithuanian: OECD (1998) Harmonized Integrated Hazard Classification System for Human Health and Environmental Effects of Chemical Substances, as endorsed by the 28th Joint Meeting of the Chemicals Committee and the Working Party on Chemicals, November 1998 (http://www.oecdl.org/ehs/Class/HCL6.htm).