Cincinnati / San Francisco / Anaheim / Austin / Atlanta / Donora / St. Louis / /
Company
Atlas Powder Company / Nitrogen Corporation / Entropy Environmentalists Inc. / York Research Corporation / Columbia Nitrogen Corporation / Beatrice / Chevron Chemical Company / D. R. Goodwin / Phillips Chemical Company / Swift Chemical Company / E. A. Noble / Radian Corporation / Hercules Incorporated / GCA Corporation / Cominco American Inc. / Union Oil Company / C. F. Industries / Hawkeye Chemical Company / Collier Carbon And Chemical Corporation / Monsanto Agricultural Products Company / /
Research Triangle Park / U. S. Environmental Protection Agency / Cinncinnati / ND ND / Georgia Department of Natural Resources / Environmental Protection Agency / Tennessee Valley Authority / /