GOST 12.1.005-1988 Occupational safety standards system. General sanitary requirements for working zone air*, 1988-12-24 Update
GOST 12.1.007-1976 Occupational safety standards system. Noxious substances. Classification and general safety requirements
GOST 12.4.021-1975 Occupational safety standards system. Ventilation systems. General requirements
GOST 12.4.034-1985 Occupational safety standards system.Means for individual protection of breathing organs. Classification and marking*, 1985-12-24 Update
GOST 12.4.103-1983 Occupational safety standards system. Special protective clothes, personal means of hand and legs protections. Classification*, 1983-12-24 Update