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.
Distribution of airborne particles per size immediately after dispersion of the 150 mg of culture media at the closed chamber. It was expressed with the volume of the particles (A) or number of particles (B) per m3 according to the size of the particles.
