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Table 4 Symptoms reported by range instructors on post-shift questionnaires per base

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

Symptoms, Combined
n = 50
WPAFB
n = 31
JBC
n = 19
Chest Tightness 18.0% 16.1% 21.1%
Metallic Taste 18.0% 22.6% 10.5%
Sore/Scratchy Throat 16.0% 9.70% 26.3%
Itchy/Watery Eyes+ 12.0% 6.50% 21.1%
Headache++ 10.0% 12.9% 5.30%
Cough 10.0% 6.50% 15.8%
Nausea/Appetite Loss 10.0% 16.1% 0.00%
Breathing Trouble 8.00% 9.70% 5.30%
Runny/Itchy/Congested Nose 4.00% 3.20% 5.30%
Chills/aches 2.00% 0.00% 5.30%
Dizziness 2.00% 0.00% 5.30%
Wheezing 2.00% 0.00% 5.30%
  1. +Post-shift eye irritation was reported significantly more at JBC than WPAFB (p = 0.0454)
  2. ++Three (14%) questionnaires from a JBC control indicated headache. No other symptoms were reported by control groups