The United States entered into a settlement agreement with General Motors to settle environmental liabilities arising from its releases of hazardous substances at Diamond Alkali Superfund Site in New Jersey, the Kane & Lombard Street Drum Superfund Site in Maryland, and the Hayford Bridge Road Groundwater Superfund Site in Missouri. The settlement resolved claims brought under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) to recover the cleanup costs incurred by the U.S. Environmental Protection Agency (EPA) at the three sites. General Motors agreed to pay $20.9 million and perform cleanup work valued at $2.89 million.