Inquiry under Section 46(1) of the Environmental Protection Act 1986, on whether the conditions of the implementation of Ridgepoynt Pty Ltd's (Ridgepoynt) proposal, to remediate the Tonkin Park Industrial site by containment of the waste on-site in a cell, should be changed. Specifically, the conditions regarding the timeline for implementation, ongoing monitoring of the groundwater and ongoing management of the cell are to be reviewed.