Figure 2b:

Box-and-whisker plots show (a) annual lens dose equivalent and (b) effective dose equivalent among workers monitored with a one-badge (n = 6218) and two-badge (n = 1449) protocol. The ends of the box are the upper and lower quartiles.

Box-and-whisker plots show (a) annual lens dose equivalent and (b) effective dose equivalent among workers monitored with a one-badge (n = 6218) and two-badge (n = 1449) protocol. The ends of the box are the upper and lower quartiles.