1. British Standards Institution, Environmental Cleanlines in Enclosed Spaces, 1976, Part 1. Specification for controlled environment clean rooms, work stations and clean air devices. BS 5295, Part 1.
2. British Standards Institution, Environmental Cleanlines in Enclosed Spaces, 1976, Part 2. Guide to the construction and installation of clean rooms, work stations, and clean air devices. BS 5295 Part 2.
3. British Standards Institution, Environmental Cleanlines in Enclosed Spaces, 1976, Part 3. Guide to operational procedures and disciplines applicable to clean rooms, work stations and clean air devices. BS 5295, Part 3.
4. British Standards Institution, 1979. Specifications for Microbiological safety Cabinets. BS 5726.
5. Guide to Good Pharmaceutical Manufacturing Practice. Department of Health and Social Security, HMS0, London. 1977.