Guyana National Bureau of Standards |  Portal 

    Standards

    Cocoa × Respiratory protective devices × Chemicals for industrial and domestic × welding devices ×
    Gas welding equipment — Safety devices- Part 1: Devices not incorporating a flame (flashback) arrestor
    Non-medical face masks – Specification
    Hand sanitizers – Alcohol-based hand sanitizers – specifications
    Sodium hypochlorite solution (Liquid Chlorine Bleach) – requirements