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A cleanroom is a room or a laboratory used in a variety of different industries. Some of the most common include the life sciences, pharmaceuticals, biotech, semiconductor manufacturing, and the medical field. Cleanrooms are designed to allow as few contaminants as possible into the air and thereby eliminate or reduce, as much as possible, the contamination to the products that are being created in the laboratory. There are a variety of techniques and products that go into building a cleanroom, but once a contained space has been created, there are two main components that go into ensuring the space remains as clean as possible. Air Flow First, it is essential that the cleanroom have sufficient airflow to allow personnel the ability to work in the room. While it is important to let air in and out, it is also essential to make sure that the air is not bringing in additional particulates or pollutants. The primary way in which the air is purified before it enters the cleanroom is through HEPA (High Efficiency Particulate Air) filters. While HEPA filters do a great job at reducing the contaminants in the air, they are not able to filter everything out. Laboratories that need the air kept even cleaner use ULPA (Ultra Low Particulate Air) filters. These filters offer the best performance of any filters that have thus been created. People Secondly, as it is essential that personnel be able to enter and exit cleanrooms, there are some measures that need to be taken to ensure cleanliness. Not only does entering and exiting pose a threat, but there are a variety of pollutants that can come from a person's skin, hair, and clothing. Personnel generally enter and exit the room through airlocks and air showers. They must also change into special clothing in a gowning room. The clothing they must wear depends on a variety of factors, but can range from a hair net and lab coat to a full bunny suit.
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