# Web Collections Description 2 MSDS Material Safety Data Sheets  [About...] 4 CHEMINFO Comprehensive health and safety information on pure chemicals  [About...] 56 CHEMpendium Chemical databases  [About...] 20 RTECS Registry of Toxic Effects of Chemical Substances  [About...] 10 OSH References Bibliographic references  [About...] 1 Legislation Canadian enviroOSH legislation plus Standards  [About...] # Additional Resources Description 18 CHEMINDEX CAS Registry Numbers  [About...] 11 INCHEM Internationally peer reviewed information from intergovernmental organizations  [About...]