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Note: EPA no longer updates this information, but it may be useful as a reference or resource.


Action Plan Available

What is Octachlorostyrene?

Octachlorostyrene is a persistent, bioacculumative, and toxic (PBT) pollutants target by EPA.

Where can Octachlorostyrene be found?

Current uses:

Formed when graphite anodes are used during electrolytic production of magnesium from magnesium chloride.

Past uses:

By-product of wastes from the electrolytic production of chlorine prior to 1970 when graphite anodes and coal tar pitch binder were used.



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