PONCA CITY, Okla.—The union representing workers at two Continental Carbon Co. carbon black plants has added fuel to its labor dispute with the company by threatening a lawsuit over alleged violations of environmental laws at those locations.
Continental Carbon, union split widens
Letter
to the
Editor
Rubber & Plastics News wants to hear from its readers. If you want to express your opinion on a story or issue, email your letter to Editor Bruce Meyer at [email protected].