You will need to comply with this standard if you are an employer, main contractor or self-employed person and need to provide respiratory protective equipment to people who may be exposed to a toxic atmosphere at a workplace.
This standard specifies requirements for respiratory protective devices (respirators) intended to provide, according to type, varying degrees of protection against atmospheres containing substances which may be harmful if breathed; also, with certain types, to provide protection against atmospheres which may be deficient in oxygen.
