Sept 23 (Reuters) - Metro Mining Ltd MMI.AX :
* Bauxite hills environmental approval update
* Says metro will request an inter-departmental review of dehp's decision
* Says metro has already commenced development of the terms of reference, the first step in the eis process
* Says disappointed with unexpected dehp decision expected to delay commencement of mining operations by at least 6 months
* The Queensland department of environment and heritage protections advised co that full environmental impact statement now required
* Full environmental impact statement now required for bauxite hills project
* Source text for Eikon ID:nASX5GTDJp