One method of communicating the hazards to faculty, staff, students and visitors of the hazards in labs is the posting of signs.
Laboratories that contain biohazardous materials should post a biohazard sign at the entry doorway. The sign should include the Biosafety Level, biohazards present, entry requirements, and precautions.
Labs may use the fillable pdf sign templates below to add the lab specific information to meet these requirements.
Green - Biosafety Level 1 - Download
Blue - Biosafety Level 2 - Download
Red - Biosafety Level 3 - Download