'Landau says this is not a "spill." A spill is finite. This is a blow out, an explosion of oil spewing out of the earth under great pressure. What is spewing out, blasting out with more pressure than we comprehend, is a toxic mixture of various chemicals, some of which can kill you at a mere 400 parts per million.
There's hydrogen sulfide, benzene, methane, pentane, propane, ethane, butane, and a host of other combinations of hydrogen and carbon. All are dangerous in various concentrations. They are dangerous to breath and dangerous to touch. They cause cancer, lung damage and death. Some of them are so dangerous they cause genetic damage, passing their destruction onto generations yet unborn.'