Harbor contaminants high

Contaminants in the Portland Harbor Superfund site put people and the environment at risk.

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An EPA study reveals high levels of contaminants in the Portland Harbor Superfund site that pose a threat to wildlife and humans alike.

The report, due to the U.S. Environmental Protection Agency this week, catalogs the results of more than 6,000 sediment and water samples and tests of fish and shellfish tissue conducted over eight years at a cost of $74 million.

It’s the biggest step toward cleanup since the EPA declared the harbor a Superfund site in 2000, pinpointing where the concentrations and risks of toxic contaminants are highest — the numbers needed to plan what’s likely to be the most expensive restoration project in Oregon’s history.

Read the full story at OregonLive.com.

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