An art material shall be considered toxic if such material contains an ingredient which is a toxic substance, to include human carcinogen and potential human carcinogen causing chronic illness if the ingredient, whether an intentional ingredient or an impurity, is 1.0% or more by weight of the art material.
8 Va. Admin. Code § 20-530-20
Statutory Authority
§§ 22.1-16 and 22.1-274.1 of the Code of Virginia.