You will need to comply with this standard if you intend to carry out fumigation.
All persons within a fumigation area must be equipped with respiratory protective devices in accordance with this standard.
This standard specifies requirements, performance and testing criteria for the manufacture of respiratory protective devices (respirators) intended to provide protection against atmospheres containing substances that may be harmful if breathed and atmospheres that may be deficient in oxygen.
This standard may be amended from time to time.