(defendant, a division of the Obama Administration's Commerce Department, issued biological opinion to EPA as part of the process of getting EPA to reregister certain pesticides which concluded that pesticides would jeopardize viability of certain Pacific salmonids and their habitat and that pesticides could not be reregistered and used without substantial restriction; court determined that defendant's opinion not product of reasoned decision-making but was based on unsupported assumptions and conclusions and faulty analyses; defendant's opinion vacated).