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Understanding Prop 65 Signs: What They Are and Why They Matter

Updated: Mar 6


When it comes to ensuring compliance with California’s regulations, businesses and industries need to stay ahead of signage requirements. One such requirement is the Prop 65 sign. But what exactly is a Prop 65 sign, and who needs it? At C.P. Richards Signs, we specialize in crafting, installing, and shipping Prop 65 signs to meet your business needs. Let’s dive into the details.


examples of prop 65 signage made in san diego by c.p. richards signs


What Is a Prop 65 Sign?

Prop 65 signs refer to signage that informs customers and employees about the presence of chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. Proposition 65, also known as the Safe Drinking Water and Toxic Enforcement Act of 1986, requires businesses to provide clear and reasonable warnings if their products, facilities, or services expose individuals to listed chemicals.


Types of Prop 65 Signs

There are several variations of Prop 65 signs, depending on the business type and specific requirements:

  1. General Proposition 65 Warning Signs – These signs inform individuals that a business or location contains chemicals covered by Prop 65.

  2. Product-Specific Warning Signs – Used by manufacturers and retailers, these signs indicate that specific products contain hazardous chemicals.

  3. Workplace Exposure Signs – Required in industrial settings where employees might be exposed to listed chemicals.

  4. Hotel and Hospitality Signs – Hotels and lodging facilities must post Prop 65 warnings for potential exposure to chemicals in drinking water, furniture, or other common areas.

  5. Gas Station and Convenience Store Signs – Fuel stations must display Prop 65 warnings due to potential exposure to hazardous fumes and chemicals.

  6. Restaurant and Food Service Signs – Food establishments must notify customers about exposure to chemicals present in certain foods and beverages.

  7. Parking Garage and Auto Repair Shop Signs – Businesses that generate exhaust or work with automotive fluids must post appropriate Prop 65 warnings.


When Are Prop 65 Signs Required?

Businesses must display Prop 65 signs if their operations expose individuals to chemicals listed by the state of California. These warnings are necessary for locations where:

  • Products contain Prop 65-listed chemicals.

  • Workplaces handle hazardous materials.

  • Environmental exposure from business operations is possible.

  • Public areas might expose individuals to listed chemicals.


Industries That Require Prop 65 Signs

Several industries are affected by Prop 65 and need compliant signage:

  • Retail Stores – Businesses selling products containing Prop 65 chemicals must notify customers.

  • Restaurants and Bars – Required to warn customers about potential exposure from food, beverages, or alcohol.

  • Hotels and Lodging Facilities – Must provide notices for chemicals present in furniture, pools, and drinking water.

  • Gas Stations and Auto Shops – Fuel and exhaust contain chemicals that require proper warnings.

  • Industrial and Manufacturing Facilities – Employees must be notified of workplace chemical exposure.

  • Hospitals and Medical Facilities – Medical institutions handling pharmaceuticals and chemicals must comply with Prop 65.


Where Should Prop 65 Signs Be Placed?

Proper placement of Prop 65 signs ensures that individuals are aware of potential chemical exposure. Ideal locations include:

  • Building Entrances – To notify employees and visitors upon entry.

  • Product Shelves – Placed near affected products in retail stores.

  • Checkout Counters – To provide customers with important warning information before purchases.

  • Gas Pumps and Fueling Stations – To warn consumers of exposure to harmful chemicals.

  • Restaurant Dining Areas – To inform customers about possible food and beverage chemical exposure.

  • Hotel Lobbies and Guest Areas – To ensure compliance with lodging industry regulations.

  • Worksite Entry Points – To notify employees about hazardous materials in the workplace.


Required Verbiage for Prop 65 Signs

Prop 65 regulations require specific wording for warning signs, which typically include:

"WARNING: This facility contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov."

Different industries may require additional verbiage based on the chemicals present and their associated risks.


Helpful Resources

For more detailed information on Proposition 65 compliance, check out the following resources:

  • Official Proposition 65 Information – California’s official site detailing requirements and chemical listings.

  • OEHHA Prop 65 Regulations – Information from the California Office of Environmental Health Hazard Assessment (OEHHA) on warning label requirements.


Why Choose C.P. Richards Signs?

At C.P. Richards Signs, we design and produce high-quality Prop 65 signs tailored to your business needs. Whether you need signs for a single location or multiple stores, we provide:

  • Custom Signage Solutions – Designed to match your brand and compliance needs.

  • Professional Installation – Ensuring proper placement for maximum visibility.

  • Nationwide Shipping – Getting your signs where you need them, fast.


Get Your Prop 65 Signs Today!

If your business needs Prop 65 signs, C.P. Richards Signs has you covered. Contact us today for custom signs, installation services, or nationwide shipping. Stay compliant and keep your customers informed with high-quality signage from the experts!

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