4 Biosafety Lab Levels•BSL1 1.Controlled access2.Hand washing sink3.Sharp hazards warning policy4.Personal protective equipment5.Laboratory bench6.Autoclave

•BSL2 1.Controlled access2.Hand washing sink3.Sharp hazards warning policy4.Physical containment device5.Personal protective equipment6.Laboratory bench7.Autoclave

•BSL3 (with risk-based enhancements) 1.Air tight when disinfecting2.Self-closing, double-door access3.Controlled access4.Personal shower out (risk-based enhancement)5.Sharp hazards warning policy6.Hand washing sink7.Sealed penetrations8.Physical containment device9.Powered air purifying respirator (risk-based enhancement)10.Laboratory bench11.Autoclave12.Exhaust HEPA filter (risk-based enhancement)13.Effluent decontamination system (risk-based enhancement)

•BSL4 1.Air tight2.Self-closing, double-door access3.Controlled access4.Sharp hazards warning policy5.Hand washing sink6.Sealed penetrations7.Physical containment device8.Positive pressure protective suit9.Laboratory bench10.Autoclave11.Chemical shower out12.Personal shower out13.Supply and exhaust HEPA filter14.Effluent decontamination system