No pavement markings shall be placed on or along any road in the State highway system, in any municipal street system, or on any public vehicular area, as defined in G.S. 20-4.01, that is made from paint that has been mixed, in whole or in part, with reflective glass beads containing more than 75 parts per million inorganic arsenic, as determined by the United States Environmental Protection Agency Method 6010B in conjunction with the United States Environmental Protection Agency Method 3052 modified.
N.C. Gen. Stat. § 136-30.2