chemicals, there's no chemical test that's being done right now? >> there's not a chemical test for that right now. >> reporter: so i think a better way of characterizing it -- i think they know what the ingredients and chemicals are in these dispersants but for some of them they just don't have a good chemical test for it at least for testing in fish. they say, look, these types of chemicals don't bioaccumulate meaning build up in concentration to the point where it can be hazardous but the idea they're not testing for everything is a real concern and something they say they're working on trying to develop that test right now, jessica. >> bottom line, sanjay, for people who eat seafood and fish and if they eat out at the restaurant and it's on the menu is it presumably safe to eat? >> reporter: right now. the ban is so strong that they're not allowing fishing that goes on in any of those areas where the fish might come