safety of toys part3 migration of certain elements 21 pages in english this part of tts iso 8124 specifies maximum acceptable levels and methods of sampling and extraction prior to analysis for the migration of the elements antimony arsenic barium cadmium chromium lead mercury and selenium from toy materials and from parts of toys except materials not accessible see tts iso 8124-1 . maximum acceptable levels are specified for the migration of the elements listed in 1.1 from the following toy materials -coatings of paints varnishes lacquers printing inks polymers and similar coatings see 8.1 -polymeric and similar materials including laminates whether textile reinforced or not but excluding other textiles see 8.2 -paper and paper board u to a maximum mass per unit area of 400 g m2 see 8.3 -natural or synthetic textiles see 8.4 -glass ceramic metallic materials excepting lead solder when used for electrical connections see 8.5 -other materials whether mass-coloured or not e.g. wood fibreboard hardboard bone and leather see 8.6 -materials intended to leave a trace e.g. the graphite materials in pencils and liquid ink in pens see 8.7 -pliable modelling materials including modelling clays and gels see 8.8 -paints to be used as such in the toy including finger paints varnishes lacquers glazing powders and similar materials in solid or liquid form see 8.9 . for the purposes of this part of tts iso 8124 the following criteria are considered appropriate in the categorization of toys which can be sucked licked or swallowed -all intended food oral contact toys cosmetic toys and writing instruments categorized as toys -toys intended for children u to six years of age i.e. all accessible parts and components where there is a probability that those parts or components may come in contact with the mouth see annex d . toys and parts of toys which due to their accessibility function mass size or other characteristics obviously exclude any hazard due to sucking licking or swallowing bearing in mind the normal and foreseeable behaviour of children are not covered by this part of tts iso 8124. packaging materials are not included unless they are part of the toy or have intended play value see annex d