The Safe Drinking Water and Toxic Enforcement Act of 1986 — better known as Proposition 65 — requires the State of California to publish a list of chemicals known to cause cancer or birth defects, or that may lead to other reproductive harm. This list, which must be updated at least once a year, has grown to include approximately 800 chemicals since it was first published in 1987.
Proposition 65 requires businesses to notify Californians about significant amounts of chemicals in the products they purchase, in their homes or workplaces, or that are released into the environment. Proposition 65 …