MISSOULA, Mont. (AP) -- An old cooling pond contaminated with toxic waste will be removed from the defunct Stimson Lumber mill in Bonner under an agreement with the state Department of Environmental Quality.

Stimson officials agreed Tuesday to clean up the pond, which was used to cool discharge water from large boilers and contains dangerous amounts of the chemical PCB.

The Environmental Protection Agency found the chemical in the pond sediments in 2006, and the Montana Department of Justice sued Stimson two years later to get the area cleaned up. Tuesday's agreement should settle that complaint.

The remediation plan, which could cost Stimson about $6 million, calls for the removal of 84,790 cubic yards of sediment from the pond area. A typical dump truck holds about 10 cubic yards of material.

Stimson officials could not be reached for comment Wednesday.

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Information from: Missoulian, http://www.missoulian.com

Copyright 2010 The AP.

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