Guyana National Bureau of Standards |  Portal 

    Standards

    Cooking Appliances × Respiratory protective devices × Steel and Iron Castings × safety devices ×
    Gas welding equipment — Safety devices- Part 1: Devices not incorporating a flame (flashback) arrestor
    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
    Non-medical face masks – Specification