Peabody Energy intends to permanently seal the area where high methane levels have been concentrated after it reported fire in its North Goonyella mine.
Deputy Minister Fuziah Salleh, a long-standing critic of Lynas’ plant, offered to step down from the committee reviewing the facility following criticism that she would not be impartial.
In August, BHP had shut an acid plant following a boiler tube failure, disrupting copper processing. Underground mining at the site continued as normal.