Guyana National Bureau of Standards |  Portal 

    Standards

    Fertilizer × Tobacco Products × Stationary containers and tanks × Respiratory protective devices ×
    Requirements for advertising – Part 3: Advertising of cigarettes
    Specification for Urea, fertilizer grade
    Specification for Urea, fertilizer grade
    Labelling of tobacco products
    Specification for Rotationally moulded polyethylene water storage tanks
    Non-medical face masks – Specification