World Health Organization creator International Programme on Chemical Safety. eng 28p. First draft prepared by Gary Foureman. 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. Benzene derivatives Chemistry No-observed-adverse-effect level Environmental exposure Risk assessment 92-4-1530189-9- 1020-6167 20241108112242.0