The Site is a 553-acre industrial complex which includes manufacturing and rail yard maintenance facilities, open storage areas, landfills, and wastewater lagoons. The media of concern at OU4 are sediment and groundwater. In the proposed Consent Decree, the settling parties have agreed between them to perform the $2.7 million remedy, which includes the excavation of contaminated sediment at B&M Pond, monitored natural restoration of contaminated sediment in other waterways, and long-term monitoring of contaminated groundwater. The two Settling Parties will also pay for 100% of EPA?s interim and future response costs, and 70% of EPA?s past costs incurred with respect to OU4 of the Site.
The United States District Court for the District of Massachusetts entered the Consent Decree between the United States, Boston and Maine Corporation (B&M) and the Massachusetts Bay Transportation Authority (MBTA) for remedial design and remedial action at Operable Unit 4 (OU4) of the Iron Horse Park Superfund Site located in Billerica, Massachusetts. The Site is a 553-acre industrial complex which includes manufacturing and rail yard maintenance facilities, open storage areas, landfills, and wastewater lagoons. The media of concern at OU4 are sediment and groundwater. Between them, the settling parties have agreed to perform the $2.7 million remedy, which includes the excavation of contaminated sediment at B&M Pond, monitored natural recovery of contaminated sediment in other waterways, and