Contamination occurs primarily because of avoidable errors in the laboratory. This is mainly due to lab personnel failing to adhere to contamination protocols or the protocols themselves are inadequate to reduce contamination. A cell culture lab can experience high traffic environments and it is imperative that lab managers implicate the proper steps to minimize cell culture contamination. Let’s take a look at the essential steps to minimize contamination in incubators, freezers, and biological safety cabinets (BSCs).