Guyana National Bureau of Standards |  Portal 

    Standards

    Specification for Milk
    Food safety — Part 1: Requirements for bodies providing audit and certification of food safety management systems
    Sustainable tourism – Food safety and sanitation - requirements
    Sustainable tourism – Water treatment, management and efficiency - requirements
    GYS IEC 61850-7-4 : 2003 Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment - Compatible logical node classes and data classes