LHAMA American Hazardous Art Material Labeling Act

The American Labeling of Hazardous Art Materials Act (LHAMA) for short, came into effect in 1990. It stipulates that all art materials sold in the US market must be evaluated for chronic toxicity in accordance with the requirements of the Act. These art materials include crayons. , Pencils, chalk, ink, glue, paint, canvas and other common stationery items.

In order to implement the Hazardous Art Material Labeling Act (LHAMA), the US Consumer Product Safety Commission (CPSC) issued a law on October 9, 1992, approving ASTM D-4236 as the mandatory standard for LHAMA testing.