The interactive map below shows the active and no further action (NFA) sites included in the Environmental Restoration Program (ERP) and the Munitions Response Program (MRP) at WPNSTA Yorktown. The map includes links to an overview of each active site. Active ERP sites that are currently undergoing investigation and have not been closed include Sites 1, 3, 6, 7, 8, 9 and 12, 19, 22, 23, 24, 25, 26, 31, 33, and 34. Active MRP sites that are currently undergoing investigation and have not been closed include UXO-2 (formerly Site 2). Additional site information on the active and NFA sites is detailed in the Site Management Plan, which is available within the Administrative Record.