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Biological Safety and Biosafety Levels: Access

When procedures are in progress, the lab door should be shut and when no one is present in the lab the doors should be locked. Anyone requesting access to the laboratory should be questioned as to their purpose and identification should be provided.

Biohazard Warning Sign
A biohazard label is required for all areas or equipment in which RG-2 or higher agents are handled or stored or where BSL-2 or higher procedures are required. Labels should be posted at the main entrance door(s) to laboratories and animal rooms, on equipment such as refrigerators, freezers, biological safety cabinets, incubators, and transport containers. Labels and door signage can be obtained from the ORCBS (355-0153).

Signage for BSL-2 or higher labs must include the following information:

• Biosafety level
• Supervisor's or other responsible person's name
• Telephone number
• Procedures required for entering and exiting the lab

General Laboratory Practices: PPE

Biosafety Manual Table of Contents