Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemi- cals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:
•Lead from
•Crystalline silica from bricks, cement, and other masonry products.
•Arsenic and chromium from chemically treated lumber.
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your expo- sure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out micro- scopic particles.