>> i'm going to spare no effort to respond to this crisis for as long as it continues. and we will spare no resource to clean up whatever damages cost. >> a year later, much of the coastline looks clean, until you do what cnn's david mattingly recently did when he visited one of the mississippi barrier islands. take a look. >> reporter: it's been almost eight months since bp oil blackened the beaches of mississippi's barrier island and i find that the oil is still here. it's brutal. >> uh-huh. >> reporter: not at all like we saw last summer. it crumbles like a cookie almost. surprisingly, bp crews aren't even trying to pick up all the oil. bp has been directed to meet a government set standard of less than 1% visible coverage. >> within that section and within that entire section of beach, there has to be less than 1% coverage. >> reporter: so out of every thousand feet of beach, you can still have ten feet of oil?