(1) Biological safety cabinet - A containment unit suitable for the preparation of low to moderate risk agents where there is a need for protection of the product, personnel, and environment according to National Sanitation Foundation (NSF) Standard 49.
(2) Class 100 environment - An atmospheric environment which contains less than 100 particles 0.5 microns in diameter per cubic foot of air, according to Federal Standard 209B.
(3) Antineoplastic - A pharmaceutical that has the capability of killing malignant cells.
(4) Parenteral - Sterile preparations of drugs for injection through one or more layers of skin.