> Beach sand may or may not be radioactive, but California only requires Prop 65 warnings on things for sale. They're not just on things for sale. They're also

> Beach sand may or may not be radioactive, but California only requires Prop 65 warnings on things for sale. They're not just on things for sale. They're also required at workspaces, businesses, rental housing. I've seen them on unpaid parking structures. If the beach was operated by a private entity instead of by public agencies or just public access with no supervision, a warning might be needed.