title: Asbestos in play sand.
mesh_terms: D001194:Asbestos / Q000032:analysis*; D017636:Asbestos, Amphibole; D002648:Child; D004391:Dust / Q000032:analysis; D006801:Humans; D010988:Play and Playthings; D012824:Silicic Acid / Q000032:analysis; D012987:Soil / Q000032:analysis*
chemical_list: D017636:Asbestos, Amphibole; D004391:Dust; D012987:Soil; D001194:Asbestos; D012824:Silicic Acid; C005846:tremolite