Guyana National Bureau of Standards |  Portal 

    Standards

    Fertilizer × Stationary containers and tanks × Respiratory protective devices × Certification and auditing ×
    Specification for Urea, fertilizer grade
    Specification for Urea, fertilizer grade
    Food safety — Part 1: Requirements for bodies providing audit and certification of food safety management systems
    Specification for Rotationally moulded polyethylene water storage tanks
    Non-medical face masks – Specification