Just spotted this on the news. According to a couple local reports EMPCo said that the fast moving water will make recovery or capture of the spilled oil almost impossible. I don't know how much damage 42,000 gallons of crude oil will do to the river, but it has to be worse than no oil spill.
Here's MSNBC's blurb. http://www.msnbc.msn.com/id/43619463/