Offers a "safety profile" of 5000 of the most important hazardous chemicals. Features unique Chemical Safety Profiles that provide a quick overview of the hazards, synonyms, and physical properties of a variety of chemicals. Details government agency standards and recommendations on the handling of each chemical. Includes three cross-indices to permit rapid location of a material by its Chemical Abstract Service (CAS) number, a synonym for the material, or the DOT Guide Number. Features new chemical entries unavailable in previous versions.