Akesson, Bengt. creator International Programme on Chemical Safety International Labour Organization United Nations Environment Programme World Health Organization eng 34p. First draft prepared by Bengt Akesson. Published under the joint sponsorship of the United Nations Environment Programme, the International Labour Organisation and the World Health Organization, and produced within the framework of the Inter-Organization Programme for the Sound Management of Chemicals. Pyrrolidinones Toxicity Risk assessment Environmental exposure Occupational exposure 92-4-153035-9 20241108112316.0