Region 8

Explanation of Significant Differences to the 2006 Butte Priority Soils Operable Unit Record of Decision

This document presents an Explanation of Significant Differences from the 2006 Record of Decision for the Butte Priority Soils Operable Unit of the Silver Bow Creek/Butte Area Superfund site in Butte, Silver Bow/Deer Lodge County, Montana; issued July 2011.

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