Detailed text transcripts for TV channel - MSNBC - 20100730:19:39:00
Not fully known. how worried are now? >> pretty worried. these dispersants have several chemicals that are known to be toxic under the environmental protection agency. and unfortunately there's not a lot of public information because they're patented. >> one thing i want to make sure we're clear about is that there's been a lot of continued testing and the seafood that's out there that has been cleared should be okay, we don't want to hurt business in the gulf, but what kinds of things should be done to make sure that if there is tainted seafood it doesn't get into the food chain? be well, bot...