1. From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Figure 1. The blue-light hazard function (ACGIH, 2015). The blue-light hazard function shows the effectiveness of light to produce photochemical retinal damage as a function of wavelength.
From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Ann Work Expo Health. 2017;61(8): doi: /annweh/wxx062
Ann Work Expo Health | © The Author Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

2. From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Figure 2. Experimental setup for measuring effective radiance (schematic diagram).
From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Ann Work Expo Health. 2017;61(8): doi: /annweh/wxx062
Ann Work Expo Health | © The Author Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

3. From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Figure 3. Comparison of spectral radiance of arc for (a) GMAW-S and (b) GMAW-P. Symbols Al and Mg indicate emission lines of aluminum and magnesium, respectively. (a) Spectral radiance of arc in GMAW-S with A5083P-O and A5183WY. (b) Spectral radiance of arc in GMAW-P with A5083P-O and A5183WY.
From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Ann Work Expo Health. 2017;61(8): doi: /annweh/wxx062
Ann Work Expo Health | © The Author Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

4. From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Figure 4. Effective blue-light radiance for GMAW-S and GMAW-P as a function of welding current. Error bars represent the standard deviation calculated from five measurements.
From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Ann Work Expo Health. 2017;61(8): doi: /annweh/wxx062
Ann Work Expo Health | © The Author Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

5. From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Figure 5. Spectral radiance of arc for different combinations of base metal and welding wire in GMAW-P. Symbols Al and Mg indicate emission lines of aluminum and magnesium, respectively. Element symbol represents the major light-emitting element. (a) Spectral radiance for P1W1, (b) Spectral radiance for P1W5, (c) Spectral radiance for P5W1, (d) Spectral radiance for P5W5, and (e) Spectral radiance for P6W4
From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Ann Work Expo Health. 2017;61(8): doi: /annweh/wxx062
Ann Work Expo Health | © The Author Published by Oxford University Press on behalf of the British Occupational Hygiene Society.

6. From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Figure 6. Effective blue-light radiance for different combinations. Error bars represent the standard deviation calculated from five measurements.
From: Blue-Light Hazard From Gas Metal Arc Welding of Aluminum Alloys
Ann Work Expo Health. 2017;61(8): doi: /annweh/wxx062
Ann Work Expo Health | © The Author Published by Oxford University Press on behalf of the British Occupational Hygiene Society.