Guyana National Bureau of Standards |  Portal 

    Standards

    Respiratory protective devices × Non-destructive testing of metals × Certification and auditing × Processes in the food industry ×
    Steel and iron castings — Magnetic particle testing
    Steel and iron castings — Liquid penetrant testing
    Food safety — Part 1: Requirements for bodies providing audit and certification of food safety management systems
    Non-medical face masks – Specification