Guyana National Bureau of Standards |  Portal 

    Standards

    Respiratory protective devices × Chemicals for industrial and domestic × Non-destructive testing of metals ×
    Steel and iron castings — Magnetic particle testing
    Steel and iron castings — Liquid penetrant testing
    Non-medical face masks – Specification
    Hand sanitizers – Alcohol-based hand sanitizers – specifications
    Sodium hypochlorite solution (Liquid Chlorine Bleach) – requirements