Scientific Basis for Swedish Occupational Standards. 23 Critical review and evaluation of those scientific data which are relevant as a background for discussion of Swedish occupational exposure limits. This volume consists of the consensus reports given by the Criteria Group at the Swedish National Institute of Occupational Health from July, 2001 through June, 2002. Key Words: Isocyanic Acid (ICA), 4,4´-Methylenedianiline (MDA), Methylisoamylketone, Methylisocyanate (MIC), Occupational exposure limit (OEL), Risk assessment, Scientific basis, Toluene, Toxicology. An English version Scintific Basis for Swedish Occupational Standards XXIII is published in Arbete och Hälsa 2002:19Sammanställningar baserade på kritisk genomgång och värdering...