| Klasifikace velikosti částeček | ||
|---|---|---|
| Klasifikace | Velikost µm | |
| B | 5 - 15 | |
| C | 15 - 25 | |
| D | 25 - 50 | |
| E | 50 -100 | |
| F | 100 - 150 | |
| G | 150 - 200 | |
| H | 200 - 400 | |
| I | 400 - 600 | |
| J | 600 - 1000 | |
| K | 1000 a větší | |
| Definice počtu částeček na 100 cm3 nebo 1000 cm2 | ||||
|---|---|---|---|---|
| Level | Počet částeček v kompopentu | |||
| Od | Do | |||
| 0 | 0 | 0 | ||
| 0 | 0 | 1 | ||
| 1 | 1 | 2 | ||
| 2 | 2 | 4 | ||
| 3 | 4 | 8 | ||
| 4 | 8 | 16 | ||
| 5 | 16 | 32 | ||
| 6 | 32 | 64 | ||
| 7 | 64 | 130 | ||
| 8 | 130 | 250 | ||
| 9 | 250 | 500 | ||
| 10 | 500 | 1000 | ||
| 11 | 1000 | 2000 | ||
| 12 | 2000 | 4000 | ||
| 13 | 4000 | 8000 | ||
| 14 | 8000 | 16000 | ||
| 15 | 16000 | 32000 | ||
| 16 | 32000 | 64000 | ||
| 17 | 64000 | 130000 | ||
| 18 | 130000 | 250000 | ||
| 19 | 250000 | 500000 | ||
| 20 | 500000 | 1000000 | ||
| 21 | 1000000 | 2000000 | ||
| 22 | 2000000 | 4000000 | ||
| 23 | 4000000 | 8000000 | ||
| 24 | 8000000 | 16000000 | ||