CA Prop 65

Tools
California requires the following notice:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are:

• lead from lead-based paints,
• crystalline silica from bricks and cement and other masonry products, and
• arsenic and chromium from chemically treated lumber.

Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

Electrical Cords
California requires the following notice:
WARNING: The wires of products may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.

For background on the new Proposition 65 warnings, see https://www.p65warnings.ca.gov/new-proposition-65-warnings.
Proposition 65 and its regulations are posted at https://oehha.ca.gov/proposition-65/law/proposition-65-law-and-regulations.