Skip to main content

Table 3 Range training class information for instructors by base

From: Exposure to lead-free frangible firing emissions containing copper and ultrafine particulates leads to increased oxidative stress in firing range instructors

Per Class WPAFB
(mean ± SEM)
JBC
(mean ± SEM)
Class Size 8.25 ± 1.33 18.25 ± 0.48*
Time on the line, M9 (h) 1.55 ± 0.95 1.3+
Time on the line, M4 (h) 2.75 ± 0.05 3.1+#
Time on the line, M9/M4 (h) 2.70 ± 0.62 6.0+
  1. +No standard error of the mean (SEM); only a single day of measurement
  2. #Class from 07 Jul 19 excluded due to cancelation after 30 min
  3. *p < 0.001 v WPAFB