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Dioxin Discharge in Bay

Case Overview

In 2000, a regional water quality control board raised by five times the amount of dioxin the Tesoro Revinery is allowed to discharge into San Francisco Bay. Dioxin is the most toxic synthetic chemical known. A lawsuit successfully challenged the permit but was reversed and later appealed.

(This case is now closed. To learn about recent Earthjustice litigation to clean up our waterways, visit the Clean Water Focus Area.)

Case Updates

January 10, 2006 | Legal Document

Dioxin Discharge Appeal

Challenges a June 2000 permit issued by the San Francisco Bay Regional Water Quality Control Board that allows the Tesoro Petroleum Corporation's refinery in Avon, near Martinez, to discharge dioxin into San Francisco Bay at five times the amount previous