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.
Measurement of radioactivity concentration in air and soil between 13–16 March 2017 in the dwelling with the highest concentration of radon during the fire winter burning season. (A) Temporal variation of radon activity concentrations measured using the AlphaGUARD. (B) Activity concentration of 226 Ra, 232Th and 40K in the studied soil samples.
