Guyana National Bureau of Standards |  Portal 

    Standards

    Crops × Stationary containers and tanks × Respiratory protective devices × safety devices ×
    Code of Practice for production of rice
    Code of Practice for fresh fruits and vegetables
    Specification for Grades of watermelons
    Gas welding equipment — Safety devices- Part 1: Devices not incorporating a flame (flashback) arrestor
    Specification for Rotationally moulded polyethylene water storage tanks
    Non-medical face masks – Specification