# Web Collections Description 3 MSDS Material Safety Data Sheets  [About...] 3 CHEMINFO Comprehensive health and safety information on pure chemicals  [About...] 181 CHEMpendium Chemical databases  [About...] 1 RTECS Registry of Toxic Effects of Chemical Substances  [About...] 2 OSH References Bibliographic references  [About...] 2 Legislation Canadian enviroOSH legislation plus Standards  [About...] # Additional Resources Description 9 CHEMINDEX CAS Registry Numbers  [About...] 96 OSH Answers Questions and answers about occupational health and safety topics  [About...] 101 INCHEM Internationally peer reviewed information from intergovernmental organizations  [About...] 6 ILO Encyclopaedia ILO Encyclopaedia of Occupational Health and Safety  [About...]