Dobson Methane S166 Directive Dec 2016 does not force Grosvenor to take action about controlling methane. All it does is tell the Mine to make sure workers are withdrawn to a place of safety when Methane >2.5 in each place used by a person for normal work or travel and it is immediately reported to the Inspectors.
I do not believe that the wording of Inspector Dobson's Directive is even appropriate for using a Section 166 Directive to reduce risk. What exactly was the intention of the…