Guyana National Bureau of Standards |  Portal 

    Standards

    Respiratory protective devices × Certification × 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
    Conformity assessment – Fundamentals of product certifications and Guidelines for product certification schemes
    Non-medical face masks – Specification