GOST R 59959-2021 Occupational safety standards system. Respiratory protective devices. Filtering half masks against aerosols with additional protection against vapors and gases. General technical requirements. Test methods. Marking
This standard applies to filtering half masks intended for protection against aerosols, with additional protection against vapors and gases of harmful substances, the content of which in the air of the working area does not exceed three values of the maximum permissible concentration (3 MPC) in accordance with GOST 12.1.005–88 ( appendices 1, 2), and establishes general technical requirements, test methods and marking requirements. This standard does not apply to filtering half masks in accordance with GOST 12.4.300, as well as to the following types of personal respiratory protection equipment (RPPE):
——firefighters;
——military;
——aviation;
——for underwater work
GOST R 59959-2021 history
2021GOST R 59959-2021 Occupational safety standards system. Respiratory protective devices. Filtering half masks against aerosols with additional protection against vapors and gases. General technical requirements. Test methods. Marking