California Prop 65
California's Proposition 65 entitles California consumers to special warnings for certain products that contain chemicals above certain threshold levels.
The general Proposition 65 notice is as follows: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Proposition 65 notice for wood products is as follows: WARNING: Drilling, sawing, sanding or machining wood products generates wood dust, a substance known to the State of California to cause cancer. Use a respirator or other safeguards to avoid inhaling wood dust.