Guyana National Bureau of Standards |  Portal 

    Standards

    Fertilizer × Respiratory protective devices × Code of Practice × 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
    Conformity assessment -Code of good practice
    Non-medical face masks – Specification