WHETHER A RELIANCE ON POST DRAINAGE RATHER THAN PREDRAINAGE CONTRIBUTED TO THE DIFFICULTIES IN MANAGING HIGH OXYGEN LEVELS WITHIN THE GOAF. Grosvenor Inquiry Submission
Submission 5 2 HIGH OXYGEN LEVELS Boreholes WITHIN THE GOAF 5 part 2 Oxygen boreholes ATTACHMENT SELF REPORT and TRANSCRIPT EXCERPTS WHETHER A RELIANCE ON POST DRAINAGE RATHER THAN PREDRAINAGE…