FAQ
Cleanroom Classifications acc. to EU GMP Annex 1.
Cleanroom classification acc. to EU GMP Annex 1. rev. 2022
Grade |
Maximum permitted number of particles per m3 equal to or greater than the tabulated size |
|||
At rest |
In operation |
|||
0,5 µm |
5,0 µm |
0,5 µm |
5,0 µm |
|
A |
3520 |
Not specified |
3 520 |
Not specified |
B |
3520 |
Not specified |
352 000 |
2 900 |
C |
352 000 |
2 900 |
3 520 000 |
29 000 |
D |
3 520 000 |
29 000 |
Not predetermined |
Not predetermined |
Grade |
Recommended limits for microbial contamination |
||
air sample CFU/m3 |
settle plates (diameter 90 mm) CFU/4 hours (b) |
contact plates (diameter 55 mm) CFU/deska |
|
A |
No growth |
No growth |
No growth |
B |
10 |
5 |
5 |
C |
100 |
50 |
25 |
D |
200 |
100 |
50 |
Cleanroom classification acc. to EU GMP Annex 1. rev. 2007
Grade |
Maximum permitted number of particles per m3 equal to or greater than the tabulated size |
|||
At rest |
In operation |
|||
0,5 µm |
5,0 µm |
0,5 µm |
5,0 µm |
|
A |
3520 |
20 |
3 520 |
20 |
B |
3520 |
29 |
352 000 |
2 900 |
C |
352 000 |
2 900 |
3 520 000 |
29 000 |
D |
3 520 000 |
29 000 |
Not defined |
Not defined |
Grade |
Recommended limits for microbial contamination (a) |
|||
air sample CFU/m3 |
settle plates (diameter 90 mm) CFU/4 hours (b) |
contact plates (diameter 55 mm) CFU/deska |
glove print 5 fingers CFU/glove |
|
A |
<1 |
<1 |
<1 |
<1 |
B |
10 |
5 |
5 |
5 |
C |
100 |
50 |
25 |
- |
D |
200 |
100 |
50 |
- |