Prop 65, also known as “California’s Safe Drinking Water and Toxic Enforcement Act of 1986,” requires cancer or reproductive warnings on products that may lead to exposure to compounds, even at levels 1,000-times less than the level at which no measurable effect can be scientifically detected, for example as in the case of lead. Proposition 65 does not ban the use of any of these chemicals, but does require warnings to consumers when exposures exceed the safe harbor levels. Warning requirements take effect 12 months after the date that a chemical is added to the Proposition 65 list. Products that are purchased by Californians must have a clear and responsible warning label if they contain any of the chemicals on the list in amounts that exceed the “safe harbor" level. A business has “safe harbor” from Proposition 65 warning requirements or discharge prohibitions if exposure to a chemical occurs at or below these levels. Who Needs Proposition 65 Warning Stickers? Some furniture products containing Proposition 65 chemicals may not cause high enough exposures to require a warning. Not all furniture products are made with chemicals on the Proposition 65 list. "From my perspective, the best aspect of the law is that it has resulted in safer products." Proposition 65 became law in California in 1986 and requires California to publish a list of chemicals known to cause cancer, birth defects or reproductive harm annually. Let’s dive in and explain what those prop 65 warnings mean, the impact they've had on the environment and public safety, and just how concerned you should be when you find a prop 65 warning label on one of your purchases. In 2016, OEHHA launched a new website,, to provide the public with more information on chemicals, products, and locations associated with Proposition 65 warnings. California’s Proposition 65, also called the Safe Drinking Water and Toxic Enforcement Act, first became law in the state in 1986. Proposition 65 is a law requiring that companies provide cancer and/or reproductive harm warnings for any of approximately 900 listed substances – view the full Proposition 65 list here. What is proposition 65? What is the Purpose of including the URL for the Proposition 65 Warnings Website in the safe harbor warnings? California Proposition 65 is a regulatory law that impacts nearly every product on Earth. Separate from Proposition 65, phthalates in products are also subject to other federal and state laws. These are referred to as "safe harbor warnings." Proposition 65 warning is required. The warning labels can be found on many kinds of products, such as electrical wires, jewelry, padlocks, dishes, flashlights, and pesticides, to name just a few. Proposition 65 requires businesses to provide warnings to Californians about significant exposure to chemicals that cause cancer, birth defects or other reproductive harm. For example, both California and U.S. law regulate the Every business with 10 or more employees that operates in the state of California needs to comply with Prop 65. Chemicals currently listed under California Proposition 65 Pre-approved ("safe harbor") warnings: The Proposition 65 regulations provide for certain warnings that, if properly transmitted, are deemed to be clear and reasonable. "People see Proposition 65 warnings all over the country," he said. The following is a list of chemicals published as a requirement of Safe Drinking Water and Toxic Enforcement Act of 1986, commonly known as California Proposition 65, that are "known to the state to cause cancer or reproductive toxicity" as of January 3 2020..