Recently, California’s Office of Environmental Health Hazard Assessment (OEHHA) adopted safe harbor warning regulations for cannabis smoke and delta-9-tetrahydrocannabinol (delta-9-THC) under California Proposition 65.[1]

What is Proposition 65?

The Safe Drinking Water and Toxic Enforcement Act of 1986 (also known as Proposition 65) requires the governor of California to publish, at…