GOST 12.1.005-1988 Occupational safety standards system. General sanitary requirements for working zone air
GOST 12.1.007-1976 Occupational safety standards system. Noxious substances. Classification and general safety requirements
GOST 12.1.044-1989 Occupational safety standards system. Fire and explosion hazard of substances and materials. Nomenclature of indices and methods of their determination
GOST 12.4.011-1989 Occupational safety standards system. Means of protection. General requirements and classification
GOST 13020.1-1985 Metallic chrome. Method for determination of chrome
GOST 13020.11-1985 Metallic chrome. Methods for determination of zink, lead and bismuth