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En un ambiente de humos de soldadura se decide la aplicación de EPI de protección respiratoria pues la concentración determinada para los soldadores como valor medio es de 9 mh/m3 (VLA-ED par humos de soldadura, 5mg/m3):a) se establece la necesidad de máscara completa y filtro P3.b) se plantea la instalación de una red de aire tratado para alimentar los EPI de protección respiratoria de equipo de soldadores.c) se considera suficiente la dotación y uso de protección respiratoria formada por mascarilla y filtro con un factor de protección 2.d) se considera correcta la respuesta anterior si se necesita y se adopta después de que haya sido instalado un sistema de captación localizada de los humos producidos.

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