427 - Officers and nurses.

§  427.  Officers  and  nurses.  Every employer of persons for work in  compressed air shall:    1. Keep at the place of work at all necessary times one or  more  duly  qualified  medical officers to care for cases of illness and to strictly  administer and  enforce  sections  four  hundred  and  twenty-six,  four  hundred and twenty-eight and four hundred and twenty-nine.    2. Keep at a medical lock required by subdivision nine of section four  hundred and twenty-six a certified nurse selected by the medical officer  or officers required by subdivision one of this section and qualified to  give temporary relief in cases of illness.