But before then, officials warn, something could get out of control.
But officials warned that their investigation could still point to other companies.
Without the package, officials have warned, the county will run out of money by the fall.
But public officials and private environmental groups warn of long-term problems if action is not taken now.
A testing program that started last month is likely to increase the number of cases even further, officials have warned.
Officials also warn that another record fire season this year may mean even less money for such projects.
But other officials warned that nothing under discussion was set in stone.
The officials also warned that further analysis of the information might lead them to different conclusions.
With the new fighting, officials have warned Iraq not to intervene.
But military and intelligence officials have also warned that the attack could come in different forms.