translate English to French: In December 2002, the UN Sub-Committee of Experts on the Globally Harmonized System of Classification and Labelling of Chemicals (UN SCEGHS) requested the OECD to start a further “development of the classification scheme to accommodate chronic toxicity to aquatic organisms for assigning a chronic hazard category”. In December 2006, the Sub-Committee requested the submission of a proposal in 2007.
In December 2002, the UN Sub-Committee of Experts on the GHS requested that the OECD completes the ongoing work on classification criteria for Respiratory Tract Irritation (RTI) and Narcotic Effects.