Guyana National Bureau of Standards |  Portal 

    Standards

    Filler metal for brazing - Designation
    Steel castings – Penetrant inspection
    Railway rolling stock material – Ultrasonic acceptance testing
    Aluminium alloy castings – Radiography testing
    Aluminium alloy and magnesium alloy castings - Liquid penetrant inspection
    Aluminium alloy castings-Visual method for assessing the porosity
    Chain slings assembled by methods other than welding - grade T (8)
    Specification for Compressed oxygen gas for industrial use only
    Specification for Compressed oxygen gas
    Slings