Commenting open: November 02, 2023 12:00AM PT - December 03, 2023 11:59PM PT.
About every five years we review conditions at sites where some contamination remains to make sure the cleanup is still effective.
We invite you to review and comment on the draft third periodic review for the Edman Company Side 1 cleanup site . We will review and consider comments received during the comment period.
Beginning in the early 80s, the Department of Ecology found arsenic, copper, lead, and zinc at concentrations exceeding cleanup criteria at the site. ASARCO accepted liability for cleanup costs and natural resource damage claims.
ASARCO removed soil and material containing ASARCO slag and related hazardous substances and placed them in a containment cell and cap at the site. The containment cell includes a storm water collection system and monitoring wells. Groundwater monitoring was conducted at the site from 1994 until 1998 when dissolved arsenic, copper, lead, and zinc were measured below the site cleanup levels. In 1996, an environmental covenant was recorded for the site. The covenant prohibits activities that could result in the release of contaminants contained as part of the cleanup. During the 2011 periodic review, Ecology found that the site did not meet cleanup requirements. The site owner was then required to resume monitoring and maintain the cap on the site.
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