**"Hygiene Standard for Hospital Disinfection"**
Nina Environmental Protection Technology Co., Ltd., Shanghai, October 27, 2008, 12:54:30
**Hygiene Standard for Hospital Disinfection**
The hygiene standards specified in the "Hygiene Standard for Hospital Disinfection" for various departments of hospitals are as follows:
**Environmental Category** | **Scope** | **Total Bacterial Count in Air (cfu/m³)**
--- | --- | ---
**Category I** | Laminar flow clean operating rooms, laminar flow clean wards | ≤ 10
**Category II** | General operating rooms, delivery rooms, nurseries, premature infant rooms, general protective isolation rooms, sterile areas of supply rooms, burn wards, intensive care units, pediatric wards, gynecological and obstetrical examination rooms, injection rooms, dressing change rooms, treatment rooms, clean areas of supply rooms, emergency rooms, laboratories | ≤ 200
**Category III** | Various general wards and rooms | ≤ 500