Figure 10. Box and whisker plots of particles within each sample scan area, presenting quartile ranges of sample sizes.
Pb and Pb/Se particles are indicated in cyan and red respectively, and mean mass values are indicated by black diamonds.
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.