Majority of Superior Shipyard Workers Test Positive for Lead

Investigation began last Spring

SUPERIOR, Wis. – Health officials say the majority of more than 200 workers tested for lead exposure at a Superior shipyard had elevated levels of lead in their blood.

Wisconsin and Minnesota health departments began a joint investigation last spring after workers at Fraser Shipyards were exposed to lead while retrofitting the Herbert C. Jackson originally built in 1959.

Wisconsin Public Radio ( ) reports Wisconsin Department of Health Services chief medical officer Jon Mieman says about 73 percent of the 233 workers tested had blood lead poisoning.

Mieman says short-term effects may include anemia, headache and fatigue.

Fraser said earlier this month that it had agreed to pay $700,000 to settle a fine from the U.S. Occupational Safety and Health Administration to improve worker safety.

Fraser did not admit fault or liability related to the lead exposure.

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