1. Control of Substances Hazardous to Health Regulations;Anon,1988
2. Categorization of Pathogens According to Hazard and Categories of Containment;ACDP,1984
3. Specifications for Microbiological Safety Cabinets;BSI,1979
4. Bio-hazard Cabinetry;NSF,1984
5. Biological Safety Cabinets;SAA,1980