This British Standard is an adoption of an ISO standard. You can access the ISO version here.
ISO 16900 discusses respiratory protective devices (RPD). ISO 16900-7 is the seventh part of the ISO 16900 multi-series, and discusses practical performance test methods for respiratory protective devices.
ISO 16900-7 on respiratory protective devices is useful for:
Respiratory Protective Device is a particular type of Personal Protective Equipment (PPE), used to protect the individual wearer against the inhalation of hazardous substances present in workplace air. ISO 16900-7 provides a test to assess certain properties, characteristics, and functions of the respiratory protective device when worn by test subjects in simulated practical use, which cannot be assessed by tests described in other standards. ISO 16900-7 helps you to determine the effectiveness of a respiratory protective device.