1. BP Chemicals Inc., Lima, 2.9 million pounds.

2. American Steel Foundries, Alliance, 1.1 million pounds.

3. Elkem Metals Co., Marietta, 917,776 pounds.

4. Cleveland Laminating Co., Cleveland, 868,000 pounds.

5. Dow Chemical Co., Ironton, 666,436 pounds.

It also lists the top five Ohio companies for releasing toxic chemicals that can cause hormonal, developmental or reproductive problems:

1. BP Chemicals Inc., Lima, 6.9 million pounds.

2. Timken Co. Faircrest plant, Canton Township, 5.3 million pounds.

3. Cincinnati Specialties Inc. (PMC Inc.), Cincinnati, 1.9 million pounds.

4. Occidental Chemical Corp., Kenton, 1.3 million pounds.

5. Henkel Corp. Chemicals Group, Cincinnati, 1.3 million pounds.

The report is available on the Internet at http://www.ohiocitizen.org.