The state is ordering a Twin Cities manufacturer to shut down, saying the children of its workers have been poisoned by lead dust carried home from the factory.
The Minnesota Department of Health and the Minnesota Department of Labor and Industry announced the action Monday, after inspecting the plant Saturday and finding that Water Gremlin was failing to control workers' exposure to the dust. Workers can unwittingly carry the heavy lead dust home on their shoes, clothing and in their vehicles.
Water Gremlin employs more than 200 people at its plant in White Bear Township, northeast of St. Paul, which makes lead terminals for batteries. The company is a major supplier of battery terminals for vehicles in North America, also makes fishing sinkers.
Local public health investigators recently determined that at least 12 children of Water Gremlin workers have elevated levels of lead in their blood — two above the state health safety level of 15 micrograms per deciliter, enough to present "a particularly serious health risk for children."
Officials declined to describe the effects on those children, but said that risks at those levels include brain damage, decreased IQ and impaired learning and development. St. Paul-Ramsey health investigators identified one child with lead levels above the safety margin in January; a second was identified in the last few weeks, Health Commissioner Jan Malcolm said in a call with reporters.
The second case of childhood lead poisoning made it clear that the company's efforts to reduce the exposure and improve industrial hygiene weren't working, Malcolm said, and more drastic measures were necessary.
"This was the tipping point," Malcolm said.
The company did not deny the state's findings, but blamed its workers for failing to follow hygiene practices.