Teeny-weeny rules for itty bitty atom clusters

Article discusses the regulation adopted by the Berkeley, California City Council to regulate businesses that make or use nanoparticles. Written by the city hazardous waste manager, Nabil Al-Hadithy, the regulation requires businesses to annually identify any material they use or produce with at least one dimension of 100 nanometers to the , and to share what they know about possible toxicity, and describe procedures for tracking, handling, and disposing of them. Mr. Al-Hadithy hopes that the Berkley ordinance would stimulate regulators both naturally and internationally to further scrutinize the potential toxicity of nanotechnology.