Grade | Class | Classification | Air Change Rate | Management Criteria |
---|---|---|---|---|
A | 100 | Workbench for aseptic operations | ≥ 600 times/hr | - Maximum viable particle count - Settling bacteria: <1/hr (φ9cm) - Airborne bacteria: <1/m³ - Sterility |
Workbench for filling/dispensing sterile products | ||||
B | 10,000 | Area required for clean room and clean operation of sterile products | ≥ 20 times/hr | - Maximum viable particle count - Settling bacteria: <5/hr - Airborne bacteria: <20/m³ - Sterility |
Preparation room for aseptic operations | ||||
C | 100,000 | Vessel washing room for sterile products | ≥ 10 times/hr | - Maximum viable particle count - Settling bacteria: <20/hr - Airborne bacteria: <200/m³ - Dedicated sterility |
Washing room/storage after cleaning of final sterile products (incl. user sterile products) | ||||
Work area for final sterile product processes (charging, cooking, packaging, etc.) | ||||
Workroom for products supplied in non-sterile state but used for important purposes such as transplantation | ||||
D | - | Area connected to C-grade zone with equivalent cleanliness | Ventilation | |
Unclassified preparation room |