| 0 |
0 |
As specified by the equipment user or supplier and more stringent than class 1. |
| 1 |
1 |
Particles: By Particle Size: 0.1 µm < d ≤ 0.5 µm: ≤ 20,000; 0.5 µ m< d ≤ 1.0 µm: ≤ 400; 1.0 µm < d ≤ 5.0 µm: ≤ 10;
Water: Vapor Pressure Dewpoint: ≤ -70 °C, ≤ -94 °F;
Oil: Liquid, Aerosol, & Vapor: ≤ 0.01 mg/m3; |
| 2 |
2 |
Particles: By Particle Size: 0.1 µm < d ≤ 0.5 µm: ≤ 400,000; 0.5 µ m< d ≤ 1.0 µm: ≤ 6,000; 1.0 µm < d ≤ 5.0 µm: ≤ 100;
Water: Vapor Pressure Dewpoint: ≤ -40 °C, ≤ -40 °F;
Oil: Liquid, Aerosol, & Vapor: ≤ 0.1 mg/m3; |
| 3 |
3 |
Particles: By Particle Size: 0.5 µ m< d ≤ 1.0 µm: ≤ 90,000; 1.0 µm < d ≤ 5.0 µm: ≤ 1,000;
Water: Vapor Pressure Dewpoint: ≤ -20 °C, ≤ -4 °F;
Oil: Liquid, Aerosol, & Vapor: ≤ 1 mg/m3; |
| 4 |
4 |
Particles: By Particle Size: 1.0 µm < d ≤ 5.0 µm: ≤ 10,000;
Water: Vapor Pressure Dewpoint: ≤ +3 °C, ≤ +37 °F;
Oil: Liquid, Aerosol, & Vapor: ≤ 5 mg/m3; |
| 5 |
5 |
Particles: By Particle Size: 1.0 µm < d ≤ 5.0 µm: ≤ 100,000;
Water: Vapor Pressure Dewpoint: ≤ +7 °C, ≤ +45 °F; |
| 6 |
6 |
Particles: By Mass: 0 – ≤ 5 mg/m3;
Water: Vapor Pressure Dewpoint: ≤ +10 °C, ≤ +50 °F; |
| 7 |
7 |
Particles: By Mass: 5 – ≤ 10 mg/m3;
Water: Liquid: ≤ 0.5 g/m3; |
| 8 |
8 |
Water: Liquid: ≤ 5 g/m3; |
| 9 |
9 |
Water: Liquid: ≤ 10 g/m3; |
| X |
10 |
Particles: By Mass: > 10 mg/m3;
Water: Liquid: > 10 g/m3;
Oil: Liquid, Aerosol, & Vapor: > 5 mg/m3; |