Guyana National Bureau of Standards |  Portal 

    Standards

    Sanitation × Respiratory protective devices × Non-destructive testing of metals × welding 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
    Sustainable tourism – Food safety and sanitation - requirements
    Sustainable tourism – Water treatment, management and efficiency - requirements
    Sustainable tourism – Solid waste management - requirements
    Non-medical face masks – Specification