steel industry / food chains / transportation / petroleum products / chemical composition / chemical properties / natural gas pipelines / oil spills / energy sources / oil production / chemical / food / steel / /
NaturalFeature
Atmosphere Total PAHs Forest / Lake et al. / /
Organization
Environmental Protection Agency / /
Person
Lee / Jean Higgis / David J. Hoffman / Paul C. Baumann / Ronald Eisler / Laurel / Joyce E. Haber / Grant / Martha L. Gay / Julia Armstrong / Nancy A. Bushby / Matthew C. Perry / Lynda J. Garrett / Capone / James R. Zuboy / Curtis H. Halvorson / /