Media

fingerprint chromatograph

A chromatogram of oil that leaked from the Macondo well. Each peak represents one of thousands of chemical compounds in the oil (Source: Woods Hole Oceanographic Institution)

A chromatogram of oil that leaked from the Macondo well. Each peak represents one of thousands of chemical compounds in the oil (Source: Woods Hole Oceanographic Institution)

A chromatogram of oil that leaked from the Macondo well. Each peak represents one of thousands of chemical compounds in the oil (Source: Woods Hole Oceanographic Institution)