Guyana National Bureau of Standards |  Portal 

    Standards

    Cooking Appliances × Tobacco Products × Respiratory protective devices × Steel and Iron Castings ×
    Requirements for advertising – Part 3: Advertising of cigarettes
    Steel and iron castings — Magnetic particle testing
    Steel and iron castings — Liquid penetrant testing
    Specification for domestic gas stoves for use with liquefied petroleum gases
    Labelling of tobacco products
    Non-medical face masks – Specification