It was conducted by two authors that work for NMFS. This is an in-house process that is subject to very little peer review.

CNN: Dam removal: Too little, too late for salmon?

In a cover letter, NMFS regional administrator John Bullard cautioned that the study applies only to the way the Indian Point reactors currently operate, using the screens to block fish from being drawn into the plant with the millions of gallons of river water used for cooling.

WSJ: Feds: Relatively few fish die if NY nukes continue