text: Monsanto was the only company that manufactured PCBs in the US. Its production was entirely halted in 1977. (Kimbrough, 1987, 1995) On November 25, 2020, U.S. District Judge Fernando M. Olguin rejected a proposed $650 million settlement from Bayer, the company which acquired Monsanto in 2018, and allowed Monsanto-related lawsuits involving PCB to proceed.