Guyana National Bureau of Standards |  Portal 

    Standards

    Code of Practice for production of rice
    Code of Practice for fresh fruits and vegetables
    Specification for Grades of watermelons
    Specification for Rotationally moulded polyethylene water storage tanks
    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