Guyana National Bureau of Standards |  Portal 

    Standards

    Steel and iron castings — Magnetic particle testing
    Steel castings – Penetrant inspection
    Steel and iron castings — Liquid penetrant testing
    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)
    Slings
    Hooks