keys ton out east coast. reporting from louisiana. reporter: bp is finally capturing some of the oil spewing from a blown out well. the company estimates it is funneling about 1/5th of the crude gushing into the gulf every day. we are starting to measure the oil and it is over 1,000- gallons a day. are. reporter: it takes the oil to the vehicle on the surface. after a couple of set-backs they managed to get the tube in. what we do is try to capture more and more of that flow. reporter: but almost a month after the deadly rig accident there are millions of gallon noose the water. now there is concerns it the current could take it to the florida keys. this is the oil. reporter: scientists back from a research trip found plumes of oil underneath the surface. the largest is ten miles long and four miles wide. the oil clouds are toxic and drawing water from the water. if you are a squid or a shrimp or a fish and you are having trouble breathing that s going to affe