What kinds of chemicals are on the list?
The Proposition 65 list contains two types of chemicals: carcinogens, which can cause cancer, and reproductive toxicants, which can cause birth defects or other reproductive harm. The list contains a wide range of chemicals. These chemicals may be naturally occurring or synthetic. Many of them are ingredients of common household products. Some chemicals may be additives or ingredients in pesticides, foods, or drugs such as alcoholic beverages and aspirin. Others may be industrial chemicals, dyes, or solvents used in dry cleaning, manufacturing, or construction. Still others may be byproducts of certain combustion processes, such as motor vehicle exhaust, tobacco smoke and burning natural gas. Most of the chemicals on the list commonly used in dentistry are components of restorative (filling) materials and include mercury, nickel compounds, beryllium, hexavalent chromium, and crystalline silica. Most, if not all, are believed to present “no significant risk” to the public, but as that t