Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Final particle concentration (#/ml) for 210 nm and 1 μm particles. The total particle volume is constant for both particles.
| Particle size | Final particle concentration | Total particle volume (μm3) |
|---|---|---|
| 210 nm | 4.77 × 109/ml | 2 × 107 |
| 1 μm | 3.85 × 107/ml | 2 × 107 |
