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Resources for PCB TMDLs

PCB Resources

Polychlorinated Biphenyls (PCBs) are considered persistent organic pollutants that do not break down easily and therefore last in the environment for extended periods of time. Once released to the environment, PCBs persist for years while their fat loving (lipophilic) property enables uptake or bioaccumulation within aquatic animals, including fish.  PCBs were banned by the U. S. Environmental Protection Agency (EPA) because of their environmental persistence and their notoriety as probable carcinogens.  While banned during the late 1970’s, there is a growing body of research suggesting that PCBs can be inadvertently produced through certain industrial processes. This more recently created portion, along with the legacy component, contributes to their continued cycling through the environment today. DEQ began collecting fish tissue in state waters in 1993.  The initial elevated fish tissue PCB levels resulted in the Virginia Department of Health (VDH) issuing fish consumption advisories, which grew in number and size as more data was collected through subsequent years of monitoring.  All PCB fish consumption advisories are also added to Virginia’s Clean Water Act Section 303(d) list of impaired waters and therefore require the development of TMDLs. 

The links below provide resources related to the development and implementation of PCB TMDLs in Virginia and include resources for the regulated community and the general public.

Learn More about PCBs

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Virginia Department of
Environmental Quality
P.O. Box 1105
Richmond, VA 23218
(804) 698-4000

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