Guyana National Bureau of Standards |  Portal 

    Standards

    Respiratory protective devices × Certification × Water and Beverages × Steel and Iron Castings ×
    Code of Practice for Packaged water
    Steel and iron castings — Magnetic particle testing
    Steel and iron castings — Liquid penetrant testing
    Conformity assessment – Fundamentals of product certifications and Guidelines for product certification schemes
    Non-medical face masks – Specification