Friday, March 30, 2012
A coalition of Portland Harbor property owners released a milestone report showing that lower-cost options for cleaning the Superfund site will cut health and environmental risks.
Costs for scrubbing Willamette River sediments on an 11-mile run through Portland's industrial heart range from just under $200 million to more than $1.7 billion, the draft "feasibility study" says.
The huge gap stems from the level of contamination that has to be actively addressed and from differences in how much contaminated sediment is dredged, instead of capped or treated in place. Final costs depend on which mix of cleanup options the Environmental Protection Agency selects.
EPA's choice will affect Portland's already hard-hit sewer ratepayers, electric and gas utility customers and the industrial powerhouses that line the harbor, from Gunderson to Schnitzer Steel to Siltronic.
Read more at OregonLive.com.