Systems for Classifying the Carcinogenicity Potential of Chemicals

Human Carcinogenicity Potential of a Chemical European Union Globally Harmonized System (GHS) International Agency for Research on Cancer (lARC) National Toxicology Program (NTP) US EPA revised in 2005 [Pg.48]

Unknown— not enough data not applicable not applicable Group 3— not classifiable as to is its carcinogenicity to humans Inadequate information to assess carcinogenic potential [Pg.48]

Not likely Group 4— probably not carcinogenic to humans Not likely to be carcinogenic to humans [Pg.48]

1 European Union. 1993. Guidelines for Setting Specific Concentration Limits for Carcinogens in Annex I of Directive 67/548/EEC Inclusion of Potency Considerations (http //ec.europa.eu/environment/dansub/pdfs/potency.pdf—accessed February 13,2007). [Pg.48]

2 United Nations Economic Commission for Europe. 2005. Globally Harmonized System of Classification and Labeling of Chemicals (GHS) (http7/ www.unece.org/trans/danger/publi/ghs/ghs rev01/01files e.html—accessed February 12,2007). [Pg.48]

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