What Was in the Oil Spilled during BP’s Gulf of Mexico Disaster?

Despite common parlance, oil is not a singular substance but rather a toxic stew of many different hydrocarbons that comes out of the ground mixed with natural gas. The oil that spewed from BP’s Macondo well in the Gulf of Mexico last year was no different–and now a precise measurement of its chemical composition has been published July 18 in Proceedings of the National Academy of Sciences .

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What Was in the Oil Spilled during BP’s Gulf of Mexico Disaster?