Assuming that Gross approves the plan on Thursday, it could still face legal challenges, especially from ICBC Standard Bank PLC, which lent the refinery millions of dollars only days before the explosion to finance its purchases of petroleum. The bank is engaged in a bitter battle with other lenders over who has priority in $1.25 billion in insurance claims the refinery has filed, but which have not been paid. That separate litigation is expected to take a long time to settle.