Sittig's Hazardous Chemicals Database is the unique compilation of two references, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens and the International Resources Guide to Hazardous Chemicals. Bringing these two books into electronic format gives users an extremely effective single source of information not found anywhere else. Data records containing expansive chemical, health and safety data are linked to interactive directories of agencies and manufacturers. This database is a complete collection of critical chemcial information.