CDC/NIH web site provides information on Biosafety Levels 1-4 and the appropriate practices and equipment to use in order to work safely in the laboratory.

Responsibilities of the principal investigator can be found in Section IV-B-7. Appendix B contains the Classification of Human Etiologic Agents on the Basis of Hazard (Risk Group Classification).

This searchable database of international risk group classifications for bacteria, viruses, fungi, and parasites provide information to be used as a starting point for the risk assessment and the determination of the biosafety level to be used when working in the laboratory. Printable version of Risk Group Classification for Infectious Agents on the American Biological Safety Association website.

Health Canada provides these MSDS sheets for workers in the life sciences to use as a safety reference for work with infectious microorganisms. To be used in conjunction with the above risk group classifications to determine appropriate biosafety levels and safety precautions.

CDC/NIH publication provides everything you need to know about biological safety cabinets. For information on how to use biological safety cabinets, go to Section 5.

This document is a good resource for lab safety questions and procedures to incorporate into SOPs. Topics include risk assessment, biosafety cabinets, equipment designed to reduce biological hazards, good microbiological techniques and many more.

Professional Organization of Biosafety Professionals. Provides timely information on issues related to biological safety.

Etiologic agents, vectors, and materials containing etiologic agents are recognized as hazardous materials. The CDC provides information on the packaging, labeling and permits necessary for import and export of materials