What types of contaminants can result from welding cleaning or painting?

Contaminants resulting from welding, cleaning, or painting can include metal fumes, particulate matter, and volatile organic compounds (VOCs). Welding can release harmful metals such as lead, manganese, and chromium, while cleaning agents may emit solvents and chemical residues. Painting processes often introduce VOCs and aerosols that can affect air quality. Proper ventilation and safety measures are essential to mitigate these hazards.