(CPSC) regulation 16CFR 1500.14 (b) (8) the provisions of art materials should be "toxic art materials identification bill (LHAMA)" certification in accordance with ASTM D 4236 standard according to the US Consumer Product Safety Commission. Art materials include: paint, crayons, brushes, pencils, chalk, glue, ink, canvas and so on. US LHAMA Act (Labelling of Hazardous Art Materials Act) referred LHAMA, is an important decree to lose the beauty of art materials on very large. According to the US Consumer Product Safety Commission (CPSC) regulations, 16 CFR 1500.14B8 provisions of art materials should be "toxic art materials identification bill (LHAMA)" certification, art materials in accordance with ASTM D4236 standards include: paint, crayons, brushes, pencils, chalk , glue, ink, canvas and so on. This certification needs to be done by the American Society of Toxicology recognized toxicologist. Toxicologists will assess the potential chronic health product damage. LHAMA entered into force in 1999, stipulates that those who sold in the US market, art materials chronic toxicity must be assessed according to requirements of the Act, these art materials including crayons, pencils, chalk, ink, glue, paint, canvas and other common stationery. Act in the assessment of toxicologists to go through accredited by the American Association of Toxicology (ABT) of. The manufacturer or re-packaging vendors should ABT toxicology expert art materials provided ingredient recipe art materials to analyze whether it will produce chronic adverse health ingredients. To perform LHAMA Act (LHAMA), the US Consumer Product Safety Commission (CPSC) on October 9, 1992 issue of the law, will ASTMD4236 authorized to enforce standards LHAMA tests. For the definition of art materials, 13 February 1995, CPSC issued a legal document on art materials are defined: - some of the following products are not in violation of the provisions of LHAMA. (1) can be used for general purposes and not necessarily only for the art pencils, pens, Marks pens, chalk, etc; (2) the supporting tools and equipment used in artistic creation; (3) the surface of the material, such as dyed color book and canvas. However, whether the material is defined as the art does not just depend on the product itself, CPSC art materials when determining whether to consider a number of factors: including packaging, marketing and sales areas and other ownership.