Prop 65 Chemical Labels

What is Proposition 65?Proposition 65 Warning

Proposition 65 is a law that “requires California to publish a list of chemicals known to cause cancer or reproductive toxicity, and for businesses with 10 or more employees to provide warnings when they knowingly and intentionally cause significant exposures to listed chemicals.”

Who is impacted?

Proposition 65 affects California and any product shipped to, or product parts that will be assembled in California.

Prop 65 has been around for years, why does it impact me now?

The Prop 65 regulations were amended in August 2018 to include new and more detailed warning requirements. For an up-to-date list of the recent amendments, please visit

Why are Prop 65 warnings required?

The goal of these labels is to make “warnings more meaningful and useful for the public, reduce ‘over-warning’ in which business provides unnecessary warnings, and giving businesses clearer guidelines on how and where to provide warnings.”

What products does Prop 65 apply to?

Any product containing one of the 800+ chemicals* listed on the Prop 65 website. For a full list visit:

What happens if parts are not Pro­­p 65 compliant?

Violating Prop 65 by failing to provide warnings can result in fines as high as $2,500 per violation per day.

How can businesses determine if a warning is required?

“Using its knowledge of its business operations and the chemicals it uses, a business can review the Proposition 65 list to determine whether its operations or products are likely to expose people in California to any listed chemicals.  Depending on the level of exposure, the business may be required to provide a warning for those exposures.  A business that determines it is causing exposures to a listed chemical may be able to use OEHHA’s safe harbor numbers to determine if it needs to provide a warning.” For more information, go to

How can I comply with these regulations?

Businesses can comply with regulations by providing a “clear and reasonable” warning to consumers that products contain chemicals listed on the Prop 65 chemical list. An effective way to do this is to label consumer products in accordance with Prop 65 guidelines.


Whitlam Group can help you on the path to compliance. Complete the ‘Contact Us’ form below and an expert will assist you with Prop 65 regulations.

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Information in this article was found on
*Applies to products manufactured after August 30, 2018.
No part of this article is legal advice and should not be taken as so.

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