Airborne Contamination Control

Classification	Maximum permitted number of particles/m³ of a size equal to and greater than, the considered size calculated to whole numbers
Classification	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	35.200	8.320	293
7	---	---	---	352.000	83.200	2.930
8	---	---	---	3.520.000	832.000	29.300
9	---	---	---	35.200.000	8.320.000	293.000