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Plant History From its opening in 1949, the FMC plant in Pocatello was the world’s largest elemental phosphorus producing facility for almost all of its 53 year operating history. In 1948, FMC acquired the Westvaco Chemical Company and assumed ownership … Continue reading →

Welcome to FMC Pocatello, Idaho From 1949 until 2001, FMC Corporation operated the world’s largest elemental phosphorus plant in Power County, Idaho, just outside Pocatello, employing upwards of 650 individuals at full production. Since the plant’s closure, FMC has worked … Continue reading →