But he added that any decision would involve `` a high level of assurance '' by the government . The response is ` ` go on as long as it takes , '' Thad Allen says . Allen says we need to better understand what 's happening on the sea floor . Whether BP re - uses the water should be a policy issue , he says .
The response is ` ` go on as long as it takes , '' Thad Allen says . Allen says we need to better understand what 's happening on the sea floor . Whether BP re - uses the water should be a policy issue , he says .