#$%^&*AU2017225100B220191121.pdf#####IMPROVEMENTS IN CONTROL OF GAS COMPOSITION WITHIN A CONTAINER Abstract A method of controlling gas composition within a container containing respiring produce is provided, the method comprising: drawing a selected gas from within the container through at least one gas outlet having a selective membrane element； determining air leak flow rate of the container； and introducing air from outside the container into the container through at least one gas inlet in response to the determined air leak flow rate to control the relative composition of gases inside the container.
