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The Toxic 100: Top Corporate Air Polluters in the United States

This index identifies the top air polluters among corporations that appear in the Fortune 500, Forbes 500, and Standard & Poor's 500 lists of the country's largest firms.

1.E. I. Du Pont de Nemours & Co.51.Lyondell Chemical Co.
2.Archer Daniels Midland Co. (ADM)52.Sunoco Inc.
3.The Dow Chemical Co.53.Anheuser-Busch Cos., Inc.
4.Bayer Group Inc.54.Ball Corp.
5.Eastman Kodak Co.55.Deere & Co.
6.General Electric Co.56.Procter & Gamble Co.
7.Arcelor Mittal Corp.57.Tesoro Corp.
8.United States Steel Corp.58.Temple-Inland Inc.
9.Exxon Mobil Corp.59.Pfizer Inc.
10.AK Steel Holding Corp.60.Rowan Cos. Inc
11.Eastman Chemical Co., Inc.61.Leggett & Platt Inc.
12.Duke Energy Corp.62.Northrop Grumman Corp.
13.ConocoPhillips63.Weyerhaeuser Co.
14.Precision Castparts Corp.64.Rohm & Haas Co.
15.Alcoa Inc.65.Tyco International Ltd.
16.Valero Energy Corp.66.Terex Corp.
17.Ford Motor Co.67.Corning Inc.
18.General Motors Corp.68.Exelon Corp.
19.Goodyear Tire & Rubber Co.69.Fortune Brands Inc.
20.E.ON US Co.70.FirstEnergy Corp.
21.Matsushita Electric Industrial Co.71.Suncor Energy Inc.
22.Freeport-McMoran Copper & Gold, Inc.72.Crown Holdings Inc.
23.Apollo Mgt. (Hexion Specialty Chemicals)73.Masco Corp.
24.Avery Dennison Corp.74.ThyssenKrupp Group
25.BASF Corp.75.Textron Inc.
26.Owens Corning76.Sony Corp.
27.Dominion Resources Inc.77.Mirant Corp.
28.Allegheny Technologies Inc.78.RAG
29.BP Inc.79.Alcan Inc.
30.Honeywell International Inc.80.Huntsman Corp.
31.International Paper Co.81.Bridgestone Corp.
32.Ashland Inc.82.Danaher Corp.
33.Constellation Energy Group Inc.83.PPG Industries Inc.
34.Public Service Enterprise Group Inc. (PSEG)84.Hess Corp.
35.The AES Corp.85.Akzo Nobel Corp.
36.Progress Energy Inc86.Dynegy Inc.
37.Nucor Corp.87.Federal-Mogul Corp.
38.United Technologies Corp. (UTC)88.The Stanley Works
39.Timken Co.89.Komatsu Co.
40.Berkshire Hathaway Inc.90.Saint-Gobain Corp.
41.SPX Corp.91.PPL Corp.
42.Royal Dutch Shell PLC92.Caterpillar Inc.
43.Southern Co.93.Smurfit-Stone Container Corp.
44.Allegheny Energy Inc.94.Siemens AG
45.American Electric Power95.MeadWestvaco Corp.
46.Reliant Energy Inc.96.Marathon Oil Co.
47.The Boeing Co.97.Emerson Electric Co.
48.General Dynamics Corp.98.Northeast Utilities Corp.
49.Occidental Petroleum Co.99.National Oilwell Varco Inc.
50.KeySpan Corp.100.Dana Corp.
NOTE: The Toxic 100 index is based on air releases of hundreds of chemicals from industrial facilities across the United States. The rankings take into account not only the quantity of air releases, but the relative toxicity of chemicals, nearby populations, and factors such as prevailing winds and height of smokestacks. The data on chemical releases come from the U.S. Environmental Protection Agency's Toxics Release Inventory (TRI) for the year 2005, the latest data available.
Source: The Toxic 100, http://www.peri.umass.edu/toxic100_index/ Political Economy Research Institute (PERI), the University of Massachusetts.

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