Figures & data
TABLE 1 Wt-% composition of base materials and electrodes
TABLE 2 Limits of detection (LOD), quantitation (LOQ), and average % recovery ± standard deviation for Cr, Ni, and Mn using ICP-MS, and Cr(VI) using IC
TABLE 3 MMAD and GSD of the primary mode and wt-% metal content (SD) of all modes for mild and stainless steel welding
FIG. 1. Particle size distribution of mild steel gas metal arc welding fume comparing total fume mass versus particle size as measured with the MOUDI and nano-MOUDI impactor system.
FIG. 2. Particle size distribution of metals in (a) mild steel and (b) stainless steel welding.
FIG. 3. Cr(VI) to total Cr ratio by particle size in stainless steel welding (vertical bars represent one standard deviation around the mean).
TABLE 4 Estimated mean percentage (SD) of total aerosol deposited in the head airways, and tracheobronchial and alveolar regions
