Mesenchymal Stem Cells as Therapeutics Agents: Quality and Environmental Regulatory Aspects
Table 2
ISO-14664, cleanrooms, and associated controlled environments (particles/m3).
ISO classification number ()
Class limits
≥0.1 µm
≥0.2 µm
≥0.3 µm
≥0.5 µm
≥1.0 µm
≥5.0 µm
1
10
2
2
100
24
10
4
3
1,000
237
102
35
8
4
10,000
2,370
1,020
352
83
5
100,000
23,700
10,200
3,520
832
29
6
1,000,000
237,000
102,000
352,000
8,320
293
7
3,520,000
83,200
2,930
8
35,200,000
832,000
29,300
9
8,320,000
293,000
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