Mary Lewis, Tashwan Banks and Kathleen O’Sullivan filed a class-action lawsuit on behalf of themselves and others similarly situated against Atlantic Richfield Co., ConAgra Grocery Products Inc., NL Industries Inc. and Sherwin-Williams Co. claiming that these entities engaged in civil conspiracy.
In addition, the plaintiff class consisted of parents or legal guardians who incurred expenses, allegations of liabilities in testing their children.
The children, between Aug. 18, 1995 and Feb. 19, 2008, were between six months and six years old. They lived in zip codes identified by the Illinois Department of Public Health as “high risk” areas for lead toxicity.