N. 47 - Glossary for Microbiological Air Environmental Monitoring

Microbiology according USP 38 – The United States Pharmacopeial – Document (1116) Aseptic Processing Environments – Page 1201, 1202. -Airborne Particulate Count – The total number of particles of a given size per unit volume of air. -Airborne Viable Particulate Count – The recovered number of CFU per unit volume of air. -Air Changes – The frequency per unit of time that the air within a controlled environment is replaced. The air can be recirculated or totally replaced.