Find three environmental health warnings of the type discussed in the lectures/s

Find three environmental health warnings of the type discussed in the lectures/slides/chapters in your immediate environs — your home, your building, anywhere in your neighborhood.Note: These signs will look like the things for sale on this site: https://www.safetysign.com/safety-signs
Name the law or regulation that mandates such warnings, indicate if the law or regulation a local, state, or federal, and the date it was first mandated.Hint: A reference to the law or regulation is often printed in a small font somewhere on the sign, but not always.
Briefly explain the health problem the law or regulation is trying to prevent or mitigate.
NOTE: Some students are not currently in the United States, so regulations and signage may be very different. If you can find signs that present an environmental warning of the type discussed in the lectures/slides/chapters, that’s great. If you are having problems, you can also use warnings on any consumer product (for instance, something on a cleaning solution bottle you have at home or some other product, such as propane or paint thinner). Or, if need be, take a picture of a place where you think there should be a health hazard warning, but isn’t — and explain why it might be needed. We’re most interested in you engaging with the idea of these regulations than finding a specific kind of sign.