This Mobile cGMP Cleanroom is self-contained on semi- trailer chassis (420 ft2 / 39 m2 gross area). This trailer is designed to support Gowning Training and is in use a minimum of 1-3 days per week. Three employees at a time can use the facility for cleanroom training and qualifications. Although this mobile trailer serves as a negative pressure Grade B Cleanroom, the structure is also outfitted to meet BSL-2.