Guyana National Bureau of Standards |  Portal 

    Standards

    Specification for poly (vinyl chloride)(PVC) plastic pipe, schedules 40, 80 and 120
    Specification for (PVC) pressure-rated pipe (SDR series)
    Specification for Compressed oxygen gas for industrial use only
    Specification for Plugs and Receptacles rated at 240 Volts and Less, 15 amperes and less.
    Electrical Insulating Tape
    Specification for the storage, handling and transportation of LPG cylinders
    Electric cables – PVC insulated, non-armoured cables for voltage up to and including 450/750, for electric power, lighting and internal wiring