Lung problems from inhalation of Portland cement include emphysema, bronchitis, and fibrosis. Acrylic resins are skin irritants and sensitizers. See our data sheet on plastics for more information. Do not use stones which may contain asbestos unless you are certain that your particular pieces are asbestos free. New York soapstones may contain asbestos, whereas Vermont soapstones are usually asbestos free.
Alabaster is a substitute.
Particular care should be taken with stones that contain free silica. Techniques to keep down dust levels in the air include daily vacuuming or wet mopping, and use of a water spray over your sculpture when you are carving. Do not dry sweep. Wear approved safety goggles when grinding, sanding, or polishing. For heavy grinding also wear a face shield.