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Fact Sheet - Portland, OR (N. Harding Ave.)

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Map of site location, Portland, OR

 

Site Background

Portland, OR
Vermiculite-Northwest, Inc.

This site is located at 2302 North Harding Avenue, Multnomah County, Portland, Oregon.

While the actual years of operations for the Phase 1 sites vary overall, we do know that the Libby, Montana mine operated from the 1920s until 1990. These Phase 1 sites may have received vermiculite from Libby at any time during these years. All Phase 1 sites ceased processing of the vermiculite by in the early 1990’s. This site ceased operations in the early 1990’s.

This page last updated on December 08, 2008