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OEHHA
California's Prop 65
Proposition 65, officially known as the Safe Drinking Water and Toxic Enforcement Act of 1986, requires California to publish a list of chemicals known to cause cancer, birth defects, or other reproductive harm
If you handle chemicals within the United States — especially in California — you know that staying compliant with Proposition 65 is not optional. Prop 65, officially called the Safe Drinking Water and Toxic Enforcement Act of 1986, places rigorous demands on companies to inform Californians about exposures to chemicals that cause cancer, birth defects, or reproductive harm. But here’s the real challenge: how do you ensure that your entire portfolio meets these requirements without risking fines or recalls? The answer starts with a robust safety data sheet screening process.
Unlike federal regulations, California’s Prop 65 maintains its own ever-evolving list of chemicals, updated multiple times a year. As of now, there are over 900 listed chemicals — each with specific safe harbor levels and warning obligations. Even chemicals that pass other regulatory standards might trigger Prop 65 warnings if they appear in your products above certain thresholds.
For chemical manufacturers, distributors, and downstream users, this means that a single oversight in your safety data sheet could put your entire supply chain at risk. Many companies underestimate how quickly a seemingly minor formulation change can impact their compliance status.
A well-executed safety data sheet review is more than a box-ticking exercise. It’s the backbone of your chemical compliance program. Thorough SDS screening ensures that every substance is accounted for against the latest Prop 65 list. It also allows you to identify if any of your products require updated warning labels or if reformulation is necessary to reduce listed substances below safe harbor levels.
By implementing systematic screening workflows, companies can catch discrepancies early — long before products hit the market. This proactive approach protects your brand, reduces regulatory risk, and builds trust with clients who rely on you for safe, compliant products.
Industry leaders use advanced digital tools and expert teams to maintain compliance. Automated SDS software can flag listed chemicals and cross-check exposure limits in real time. However, technology is only part of the solution. Regular training for your regulatory staff and open communication with suppliers are equally vital.
Remember, Prop 65 enforcement is active and driven not only by government agencies but also by citizen lawsuits. A single violation can result in costly settlements and negative publicity. Staying vigilant with ongoing safety data sheet screening can make the difference between a smooth operation and a compliance nightmare.
Navigating California’s Prop 65 requirements can feel overwhelming, but it doesn’t have to be. Building a robust safety data sheet screening process gives your business a clear compliance edge. It minimizes risk, demonstrates your commitment to consumer safety, and keeps you ahead of regulatory changes.
If your organization is ready to strengthen its chemical compliance program, start by reviewing your SDS management workflows today. The investment you make now will pay dividends in peace of mind, market access, and brand reputation.
Take action today — ensure your safety data sheets are Prop 65 ready.
