References
- EPA (2015). Fact Sheet (PCBs): Region 10
- EPA Region 10 (2019). 2019 Status Update: Columbia River Basin Toxics Reduction, July 2019, issued by U.S. Environmental Protection Agency, Region 10
- EPA (2019). Polychlorinated biphenyls (PCBs): https://www.epa.gov/sites/production/files/2016-09/documents/polychlorinated-biphenyls.pdf
- WHO (2003). Polychlorinated Biphenyls: Human Health Aspects