• substances classified as acute toxic category 1-3 and 4 under Regulation (EC) 1907/2006 [REACH] or in Part 3 of Annex VI to Regulation (EC) 1272/2008 [harmonized substances, CLP] in concentrations able to cause these effects. If no data are available or provided that justify higher limits, a generic concentration limit of 0.1% (group 1-3) or 1% (group 4) applies.